https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Sun, 21 Jun 2026 01:53:02 +0000 https://vulnerability.circl.lu/sighting/a256d17f-90d6-4706-9773-2e1f4ed8f545/export {"uuid": "a256d17f-90d6-4706-9773-2e1f4ed8f545", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mokzz3gtow2b", "content": "2/ \ud83d\udcbb Microsoft Defender has an unpatched zero-day RIGHT NOW. CVE-2026-50656 aka RoguePlanet. Grants SYSTEM privileges on fully updated Windows 10/11. Working PoC is public. No patch. 4th Defender 0-day this year from same researcher. (BleepingComputer)", "creation_timestamp": "2026-06-18T14:28:50.990634Z"} {"uuid": "a256d17f-90d6-4706-9773-2e1f4ed8f545", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mokzz3gtow2b", "content": "2/ \ud83d\udcbb Microsoft Defender has an unpatched zero-day RIGHT NOW. CVE-2026-50656 aka RoguePlanet. Grants SYSTEM privileges on fully updated Windows 10/11. Working PoC is public. No patch. 4th Defender 0-day this year from same researcher. (BleepingComputer)", "creation_timestamp": "2026-06-18T14:28:50.990634Z"} https://vulnerability.circl.lu/sighting/a256d17f-90d6-4706-9773-2e1f4ed8f545/export Thu, 18 Jun 2026 14:28:50 +0000 https://vulnerability.circl.lu/sighting/66bfd381-24bd-4748-b31f-45a5638f3c51/export {"uuid": "66bfd381-24bd-4748-b31f-45a5638f3c51", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/2rZiKKbOU3nTafniR2qMMSE0gwZ.activitypub.awakari.com.ap.brid.gy/post/3mol5ij4qu4w2", "content": "Microsoft working on a fix for RoguePlanet, a flaw that grants full PC control Microsoft says it's working on a fix for an unpatched Defender vulnerability that can give attackers the highest l...\n\n#Bugs #News #CVE-2026-50656 #Defender #RoguePlanet\n\nOrigin | Interest | Match", "creation_timestamp": "2026-06-18T15:31:01.439634Z"} {"uuid": "66bfd381-24bd-4748-b31f-45a5638f3c51", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/2rZiKKbOU3nTafniR2qMMSE0gwZ.activitypub.awakari.com.ap.brid.gy/post/3mol5ij4qu4w2", "content": "Microsoft working on a fix for RoguePlanet, a flaw that grants full PC control Microsoft says it's working on a fix for an unpatched Defender vulnerability that can give attackers the highest l...\n\n#Bugs #News #CVE-2026-50656 #Defender #RoguePlanet\n\nOrigin | Interest | Match", "creation_timestamp": "2026-06-18T15:31:01.439634Z"} https://vulnerability.circl.lu/sighting/66bfd381-24bd-4748-b31f-45a5638f3c51/export Thu, 18 Jun 2026 15:31:01 +0000 https://vulnerability.circl.lu/sighting/f9fcceae-2235-48a0-8bb6-a6873209c588/export {"uuid": "f9fcceae-2235-48a0-8bb6-a6873209c588", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/insomnisec.bsky.social/post/3moltjmclmy2f", "content": "\ud83d\udce1 RoguePlanet (CVE-2026-50656): A Microsoft Defender Zero-Day With No Patch Yet", "creation_timestamp": "2026-06-18T22:05:19.267205Z"} {"uuid": "f9fcceae-2235-48a0-8bb6-a6873209c588", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/insomnisec.bsky.social/post/3moltjmclmy2f", "content": "\ud83d\udce1 RoguePlanet (CVE-2026-50656): A Microsoft Defender Zero-Day With No Patch Yet", "creation_timestamp": "2026-06-18T22:05:19.267205Z"} https://vulnerability.circl.lu/sighting/f9fcceae-2235-48a0-8bb6-a6873209c588/export Thu, 18 Jun 2026 22:05:19 +0000 https://vulnerability.circl.lu/sighting/49cb6b55-9aa6-4289-b62d-75db0ec16bb1/export {"uuid": "49cb6b55-9aa6-4289-b62d-75db0ec16bb1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/insomnisec.bsky.social/post/3molwlyvhit2o", "content": "\ud83d\udce1 RoguePlanet (CVE-2026-50656): A Microsoft Defender Zero-Day With No Patch Yet", "creation_timestamp": "2026-06-18T23:00:20.729442Z"} {"uuid": "49cb6b55-9aa6-4289-b62d-75db0ec16bb1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/insomnisec.bsky.social/post/3molwlyvhit2o", "content": "\ud83d\udce1 RoguePlanet (CVE-2026-50656): A Microsoft Defender Zero-Day With No Patch Yet", "creation_timestamp": "2026-06-18T23:00:20.729442Z"} https://vulnerability.circl.lu/sighting/49cb6b55-9aa6-4289-b62d-75db0ec16bb1/export Thu, 18 Jun 2026 23:00:20 +0000 https://vulnerability.circl.lu/sighting/fb58734c-5324-4ab7-bddf-1cc98d0eaf65/export {"uuid": "fb58734c-5324-4ab7-bddf-1cc98d0eaf65", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/shiojiri.com/post/3mom5oqdl6sg5", "content": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u3001Defender\u30bc\u30ed\u30c7\u30a4\u300cRoguePlanet\u300d\u306e\u4fee\u6b63\u30d1\u30c3\u30c1\u958b\u767a\u306b\u7740\u624b\uff08CVE-2026-50656\uff09 | Codebook\uff5cSecurity News https://codebook.machinarecord.com/threatreport/silobreaker-cyber-alert/46255/", "creation_timestamp": "2026-06-19T01:08:11.170649Z"} {"uuid": "fb58734c-5324-4ab7-bddf-1cc98d0eaf65", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/shiojiri.com/post/3mom5oqdl6sg5", "content": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u3001Defender\u30bc\u30ed\u30c7\u30a4\u300cRoguePlanet\u300d\u306e\u4fee\u6b63\u30d1\u30c3\u30c1\u958b\u767a\u306b\u7740\u624b\uff08CVE-2026-50656\uff09 | Codebook\uff5cSecurity News https://codebook.machinarecord.com/threatreport/silobreaker-cyber-alert/46255/", "creation_timestamp": "2026-06-19T01:08:11.170649Z"} https://vulnerability.circl.lu/sighting/fb58734c-5324-4ab7-bddf-1cc98d0eaf65/export Fri, 19 Jun 2026 01:08:11 +0000 https://vulnerability.circl.lu/sighting/1d4dae4f-0425-4173-afa7-3e22cbab5dd2/export {"uuid": "1d4dae4f-0425-4173-afa7-3e22cbab5dd2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3momciyt73y2g", "content": "Top 3 CVE for last 7 days:\nCVE-2026-35273: 34 interactions\nCVE-2026-54420: 26 interactions\nCVE-2026-50656: 25 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-50656: 12 interactions\nCVE-2026-49257: 4 interactions\nCVE-2026-10736: 3 interactions\n", "creation_timestamp": "2026-06-19T02:33:25.374978Z"} {"uuid": "1d4dae4f-0425-4173-afa7-3e22cbab5dd2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3momciyt73y2g", "content": "Top 3 CVE for last 7 days:\nCVE-2026-35273: 34 interactions\nCVE-2026-54420: 26 interactions\nCVE-2026-50656: 25 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-50656: 12 interactions\nCVE-2026-49257: 4 interactions\nCVE-2026-10736: 3 interactions\n", "creation_timestamp": "2026-06-19T02:33:25.374978Z"} https://vulnerability.circl.lu/sighting/1d4dae4f-0425-4173-afa7-3e22cbab5dd2/export Fri, 19 Jun 2026 02:33:25 +0000 https://vulnerability.circl.lu/sighting/305c6993-f8b8-4076-a613-9d07a4374060/export {"uuid": "305c6993-f8b8-4076-a613-9d07a4374060", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/blackhatnews.tokyo/post/3momgiqwu4j23", "content": "RoguePlanet\uff1a\u30d1\u30c3\u30c1\u672a\u9069\u7528\u306eDefender\u6b20\u9665\u304cSYSTEM\u30ec\u30d9\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u3092\u53ef\u80fd\u306b\uff08CVE-2026-50656\uff09\n\nMicrosoft\u306f\u3001Windows Defender\u306b\u65b0\u305f\u306b\u767a\u898b\u3055\u308c\u305f\u6b20\u9665\u306e\u30d1\u30c3\u30c1\u9069\u7528\u306b\u5411\u3051\u3066\u6025\u30d4\u30c3\u30c1\u3067\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u308b\u3068\u3001\u653b\u6483\u8005\u306f\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30de\u30b7\u30f3\u3092\u307b\u307c\u5b8c\u5168\u306b\u638c\u63e1\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u7814\u7a76\u8005\u306f\u3053\u308c\u3092\u300cRoguePlanet\u300d\u3068\u547d\u540d\u3057\u3001\u8b58\u5225\u5b50\u306fCVE-2026-506...", "creation_timestamp": "2026-06-19T03:44:51.882111Z"} {"uuid": "305c6993-f8b8-4076-a613-9d07a4374060", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/blackhatnews.tokyo/post/3momgiqwu4j23", "content": "RoguePlanet\uff1a\u30d1\u30c3\u30c1\u672a\u9069\u7528\u306eDefender\u6b20\u9665\u304cSYSTEM\u30ec\u30d9\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u3092\u53ef\u80fd\u306b\uff08CVE-2026-50656\uff09\n\nMicrosoft\u306f\u3001Windows Defender\u306b\u65b0\u305f\u306b\u767a\u898b\u3055\u308c\u305f\u6b20\u9665\u306e\u30d1\u30c3\u30c1\u9069\u7528\u306b\u5411\u3051\u3066\u6025\u30d4\u30c3\u30c1\u3067\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u308b\u3068\u3001\u653b\u6483\u8005\u306f\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30de\u30b7\u30f3\u3092\u307b\u307c\u5b8c\u5168\u306b\u638c\u63e1\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u7814\u7a76\u8005\u306f\u3053\u308c\u3092\u300cRoguePlanet\u300d\u3068\u547d\u540d\u3057\u3001\u8b58\u5225\u5b50\u306fCVE-2026-506...", "creation_timestamp": "2026-06-19T03:44:51.882111Z"} https://vulnerability.circl.lu/sighting/305c6993-f8b8-4076-a613-9d07a4374060/export Fri, 19 Jun 2026 03:44:51 +0000 https://vulnerability.circl.lu/sighting/fec58714-9442-4414-aba4-cc8442f14922/export {"uuid": "fec58714-9442-4414-aba4-cc8442f14922", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/hacker.at.thenote.app/post/3momhytyitc2h", "content": "Microsoft Confirms RoguePlanet Zero-Day in Defender, Patch Under Development\n\nMicrosoft confirmed the RoguePlanet Defender zero-day (CVE-2026-50656), a privilege escalation flaw, and is developing a security patch. Microsoft has acknowledged the RoguePlanet zero-day aff\u2026\n#hackernews #microsoft #news", "creation_timestamp": "2026-06-19T04:11:45.799281Z"} {"uuid": "fec58714-9442-4414-aba4-cc8442f14922", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/hacker.at.thenote.app/post/3momhytyitc2h", "content": "Microsoft Confirms RoguePlanet Zero-Day in Defender, Patch Under Development\n\nMicrosoft confirmed the RoguePlanet Defender zero-day (CVE-2026-50656), a privilege escalation flaw, and is developing a security patch. Microsoft has acknowledged the RoguePlanet zero-day aff\u2026\n#hackernews #microsoft #news", "creation_timestamp": "2026-06-19T04:11:45.799281Z"} https://vulnerability.circl.lu/sighting/fec58714-9442-4414-aba4-cc8442f14922/export Fri, 19 Jun 2026 04:11:45 +0000 https://vulnerability.circl.lu/sighting/4587ab77-2533-4791-a3cb-ba7e7b016715/export {"uuid": "4587ab77-2533-4791-a3cb-ba7e7b016715", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/ebibibibibibi.bsky.social/post/3momusy4ked2r", "content": "https://www.ebisuda.net/tech/2026/06/02/microsoft-copilot202661ai-copilot-to-usage-billing-june-1-2026-ai-credits-token/\n3. Microsoft Defender\u306e\u30bc\u30ed\u30c7\u30a4\u300cRoguePlanet\u300d\uff08CVE-2026-50656\uff09\u3001\u30d1\u30c3\u30c1\u958b...", "creation_timestamp": "2026-06-19T08:01:11.009331Z"} {"uuid": "4587ab77-2533-4791-a3cb-ba7e7b016715", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/ebibibibibibi.bsky.social/post/3momusy4ked2r", "content": "https://www.ebisuda.net/tech/2026/06/02/microsoft-copilot202661ai-copilot-to-usage-billing-june-1-2026-ai-credits-token/\n3. Microsoft Defender\u306e\u30bc\u30ed\u30c7\u30a4\u300cRoguePlanet\u300d\uff08CVE-2026-50656\uff09\u3001\u30d1\u30c3\u30c1\u958b...", "creation_timestamp": "2026-06-19T08:01:11.009331Z"} https://vulnerability.circl.lu/sighting/4587ab77-2533-4791-a3cb-ba7e7b016715/export Fri, 19 Jun 2026 08:01:11 +0000 https://vulnerability.circl.lu/sighting/b2d97687-57ee-4d39-908c-b830612955b3/export {"uuid": "b2d97687-57ee-4d39-908c-b830612955b3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3moostal2o52d", "content": "Top 3 CVE for last 7 days:\nCVE-2026-50656: 26 interactions\nCVE-2026-54420: 26 interactions\nCVE-2026-20262: 20 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-20253: 6 interactions\nCVE-2026-47729: 5 interactions\nCVE-2026-8713: 4 interactions\n", "creation_timestamp": "2026-06-20T02:30:47.976754Z"} {"uuid": "b2d97687-57ee-4d39-908c-b830612955b3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50656", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3moostal2o52d", "content": "Top 3 CVE for last 7 days:\nCVE-2026-50656: 26 interactions\nCVE-2026-54420: 26 interactions\nCVE-2026-20262: 20 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-20253: 6 interactions\nCVE-2026-47729: 5 interactions\nCVE-2026-8713: 4 interactions\n", "creation_timestamp": "2026-06-20T02:30:47.976754Z"} https://vulnerability.circl.lu/sighting/b2d97687-57ee-4d39-908c-b830612955b3/export Sat, 20 Jun 2026 02:30:47 +0000