https://vulnerability.circl.lu/sightings/feed 2026-06-24T08:53:02.534207+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/87325f17-54f9-4c1c-8723-559443bbbf74/export 2026-06-24T08:53:02.559769+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "87325f17-54f9-4c1c-8723-559443bbbf74", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mnzkcspwys2d", "content": "1/ \u26a0\ufe0f Microsoft's biggest Patch Tuesday EVER: ~200 flaws, 33 critical, multiple zero-days, one actively exploited (CVE-2026-41091, Defender). If you run Windows fleets, patch today. Not this quarter. Today.", "creation_timestamp": "2026-06-11T15:33:48.616460Z"} 2026-06-11T15:33:48.616460+00:00 https://vulnerability.circl.lu/sighting/7f6d2b8d-ca07-4f82-8797-8ce38de67a2f/export 2026-06-24T08:53:02.559664+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "7f6d2b8d-ca07-4f82-8797-8ce38de67a2f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mnzkcspxy22d", "content": "1/ \u26a0\ufe0f Microsoft's biggest Patch Tuesday EVER: ~200 flaws, 33 critical, multiple zero-days, one actively exploited (CVE-2026-41091, Defender). If you run Windows fleets, patch today. Not this quarter. Today.", "creation_timestamp": "2026-06-11T15:33:51.128591Z"} 2026-06-11T15:33:51.128591+00:00 https://vulnerability.circl.lu/sighting/976282a5-e560-4a7a-83fd-b75065db4745/export 2026-06-24T08:53:02.559563+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "976282a5-e560-4a7a-83fd-b75065db4745", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/getpokemon7.bsky.social/post/3modbkks3as2f", "content": "CISA Adds Seven Known Exploited Vulnerabilities to Catalog\nRelease Date May 20, 2026\n\n...\n\nCVE-2010-0806 Microsoft Internet Explorer Use-After-Free Vulnerability\nCVE-2026-41091 Microsoft Defender Elevation of Privilege Vulnerability\nCVE-2026-45498 Microsoft Defender Denial of Service Vulnerability", "creation_timestamp": "2026-06-15T12:22:25.646121Z"} 2026-06-15T12:22:25.646121+00:00 https://vulnerability.circl.lu/sighting/81dbb022-166c-4412-9899-ab7beed7a1ca/export 2026-06-24T08:53:02.559458+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "81dbb022-166c-4412-9899-ab7beed7a1ca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/shortinfo.bsky.social/post/3mogmsxghdl2v", "content": "Every Windows machine running Microsoft Defender $MSFT is exposed until the latest Antimalware Platform update is installed. RedSun (CVE-2026-41091) lets any local user become SYSTEM; UnDefend (CVE-2026-45498) silently blocks Defender updates. Both actively exploited. CISA KEV deadline June 3.", "creation_timestamp": "2026-06-16T20:21:58.218389Z"} 2026-06-16T20:21:58.218389+00:00 https://vulnerability.circl.lu/sighting/82e4e43a-4e36-46c0-a7f3-339e121d7bfc/export 2026-06-24T08:53:02.559350+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "82e4e43a-4e36-46c0-a7f3-339e121d7bfc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/getpokemon7.bsky.social/post/3molm56icbs2q", "content": "\u300cMicrosoft Defender\u300d\u306b\u6a29\u9650\u6607\u683c\u3084DoS\u8106\u5f31\u6027 - \u60aa\u7528\u3092\u78ba\u8a8d\n\n\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306f\u73fe\u5730\u6642\u95932026\u5e745\u670819\u65e5\u3001Windows\u3067\u52d5\u4f5c\u3059\u308b\u300cMicrosoft Defender\u300d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u3092\u516c\u958b\u3057\u3001\u8907\u6570\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u305f\u3053\u3068\u3092\u660e\u3089\u304b\u306b\u3057\u305f\u3002\n\n\u300cCVE-2026-41091\u300d\u306f\u3001\u300cMicrosoft Defender\u300d\u306e\u300cMicrosoft Malware Protection Engine\u300d\u306b\u5224\u660e\u3057\u305f\u6a29\u9650\u6607\u683c\u306e\u8106\u5f31\u6027\u3002\u60aa\u7528\u306b\u306f\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u306b\u304a\u3051\u308b\u8a8d\u8a3c\u304c\u5fc5\u8981\u3068\u306a\u308b\u304c\u3001\u30ea\u30f3\u30af\u306e\u89e3\u6c7a\u306b\u304a\u3051\u308b\u4e0d\u5099\u306b\u8d77\u56e0\u3057\u3001SYSTEM\u6a29\u9650\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002", "creation_timestamp": "2026-06-18T19:53:07.424618Z"} 2026-06-18T19:53:07.424618+00:00 https://vulnerability.circl.lu/sighting/3abca8f8-67fc-48da-ad0f-e1ffd3d99d42/export 2026-06-24T08:53:02.559239+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "3abca8f8-67fc-48da-ad0f-e1ffd3d99d42", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/getpokemon7.bsky.social/post/3molmgufb2k2q", "content": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u304c\u3001\u60aa\u7528\u3055\u308c\u3066\u3044\u308b2\u3064\u306eDefender\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u8b66\u544a\n\n\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306f\u3001Defender\u306b\u5b58\u5728\u3059\u308b\u6a29\u9650\u6607\u683c\u3068\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u306e\u8106\u5f31\u6027\u304c\u3001\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u660e\u3089\u304b\u306b\u3057\u305f\u3002\n\n\u524d\u8005\u306e\u8106\u5f31\u6027\uff08CVE-2026-41091\uff09\u306f\u3001CVSS\u30b9\u30b3\u30a2\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u30677.8\u3068\u8a55\u4fa1\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3055\u308c\u308b\u3068\u3001\u653b\u6483\u8005\u306fSYSTEM\u6a29\u9650\u3092\u53d6\u5f97\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\n\nMicrosoft\u306f\u52e7\u544a\u306e\u4e2d\u3067\u3001\u300cMicrosoft Defender\u306b\u304a\u3051\u308b\u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u524d\u306e\u4e0d\u9069\u5207\u306a\u30ea\u30f3\u30af\u89e3\u6c7a\uff08\u300c\u30ea\u30f3\u30af\u306e\u8ffd\u8de1\u300d\uff09\u306b\u3088\u308a\u3001\u6a29\u9650\u306e\u3042\u308b\u653b\u6483\u8005\u304c\u30ed\u30fc\u30ab\u30eb\u3067\u6a29\u9650\u3092\u6607\u683c\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u300d\u3068\u8ff0\u3079\u3066\u3044\u308b\u3002", "creation_timestamp": "2026-06-18T19:58:34.179834Z"} 2026-06-18T19:58:34.179834+00:00 https://vulnerability.circl.lu/sighting/328524bc-83a9-4e75-a553-a13d80f4bb09/export 2026-06-24T08:53:02.559119+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "328524bc-83a9-4e75-a553-a13d80f4bb09", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/getpokemon7.bsky.social/post/3molmkbqrgk2q", "content": "\u7c73\u5f53\u5c40\u3001\u8106\u5f31\u6027\u60aa\u7528\u78ba\u8a8d\u30ea\u30b9\u30c8\u306b7\u4ef6\u8ffd\u52a0 - IE\u306a\u3069\u65e7\u88fd\u54c1\u95a2\u9023\u3082\n\n\u7c73\u5f53\u5c40\u306f\u3001\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308b\u8106\u5f31\u60277\u4ef6\u306b\u3064\u3044\u3066\u6ce8\u610f\u559a\u8d77\u3092\u884c\u3063\u305f\u3002\u3053\u306e\u3046\u30612\u4ef6\u306f2026\u5e745\u6708\u306b\u5224\u660e\u3057\u305f\u8106\u5f31\u6027\u3060\u304c\u3001\u306e\u3053\u308b5\u4ef6\u306f2010\u5e74\u4ee5\u524d\u306e\u8106\u5f31\u6027\u3068\u306a\u3063\u3066\u3044\u308b\u3002\n\n\u7c73\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5e81\uff08CISA\uff09\u306f\u73fe\u5730\u6642\u95932026\u5e745\u670820\u65e5\u3001\u300c\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u305f\u8106\u5f31\u6027\u30ab\u30bf\u30ed\u30b0\uff08KEV\uff09\u300d\u3078\u8106\u5f31\u60277\u4ef6\u3092\u767b\u9332\u3002\u7c73\u56fd\u5185\u306e\u884c\u653f\u6a5f\u95a2\u3078\u5bfe\u7b56\u3092\u4fc3\u3059\u3068\u3068\u3082\u306b\u3001\u5e83\u304f\u6ce8\u610f\u3092\u547c\u3073\u304b\u3051\u3066\u3044\u308b\u3002\n\n\u4eca\u56de\u767b\u9332\u3055\u308c\u305f\u8106\u5f31\u6027\u306e\u3046\u3061\u30012026\u5e74\u306b\u5224\u660e\u3057\u305f\u8106\u5f31\u6027\u306f\u300cCVE-2026-41091\u300d\u300cCVE-2026-45498\u300d\u306e2\u4ef6...", "creation_timestamp": "2026-06-18T20:00:27.418748Z"} 2026-06-18T20:00:27.418748+00:00 https://vulnerability.circl.lu/sighting/b9976552-06e6-45d4-ade0-9b9e2b6db457/export 2026-06-24T08:53:02.559009+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "b9976552-06e6-45d4-ade0-9b9e2b6db457", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/cf228674-3687-40b9-a5ce-100c24fbe2d0", "content": "", "creation_timestamp": "2026-06-19T12:45:11.990046Z"} 2026-06-19T12:45:11.990046+00:00 https://vulnerability.circl.lu/sighting/da9f10ab-a10e-44a5-8a7b-c10a6fbefcfa/export 2026-06-24T08:53:02.558852+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "da9f10ab-a10e-44a5-8a7b-c10a6fbefcfa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "seen", "source": "https://bsky.app/profile/0x00sec.org/post/3mov7kz5u4q2o", "content": "\"RedSun Exploit (CVE-2026-41091) Improved Version (SolarFlare)\" by Tc4dy\n\n#infosec #cybersec #hacking", "creation_timestamp": "2026-06-22T15:34:49.039576Z"} 2026-06-22T15:34:49.039576+00:00 https://vulnerability.circl.lu/sighting/88f71dff-d64d-4efe-97b2-1c9b8421e21e/export 2026-06-24T08:53:02.556257+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "88f71dff-d64d-4efe-97b2-1c9b8421e21e", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-41091", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/f7a5751d-4514-43a7-bcb7-3c139a42edbd", "content": "", "creation_timestamp": "2026-06-23T14:03:37.941297Z"} 2026-06-23T14:03:37.941297+00:00