{"vulnerability": "CVE-2026-53566", "sightings": [{"uuid": "641916fd-d3d6-4763-b9a2-107328c532e0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-53566", "type": "seen", "source": "https://cyber.gc.ca/en/alerts-advisories/citrix-security-advisory-av26-702", "content": "", "creation_timestamp": "2026-07-15T16:15:13.298946Z"}, {"uuid": "9ebcc744-8677-416e-a5c1-16b6fd30dbd8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53566", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mqovu3ew4h2c", "content": "\ud83d\udd17 CVE : CVE-2026-42491, CVE-2026-53565, CVE-2026-53566", "creation_timestamp": "2026-07-15T14:15:26.641443Z"}, {"uuid": "e3f08204-7f3f-4d70-b74f-1b8955d3e26b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53566", "type": "seen", "source": "https://bsky.app/profile/securityonline.bsky.social/post/3mqtspqv4k222", "content": "Citrix patched CVE-2026-53565, a Citrix Secure Access vulnerability letting local users gain SYSTEM, plus the CVE-2026-53566 out-of-bounds read bug.\n\n#Citrix #CVE202653565 #PrivilegeEscalation #Vulnerability #Windows", "creation_timestamp": "2026-07-17T13:02:33.729382Z"}, {"uuid": "d8409fa0-0b23-4a84-bef7-caab07ab45a4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53566", "type": "seen", "source": "https://infosec.exchange/ap/users/116797276219291526/statuses/116935450259715000", "content": "Citrix patched CVE-2026-53565, a Citrix Secure Access vulnerability letting local users gain SYSTEM, plus the CVE-2026-53566 out-of-bounds read bug.\n#Citrix #CVE202653565 #PrivilegeEscalation #Vulnerability #Windows\nhttps://securityonline.info/citrix-secure-access-cve-2026-53565/?utm_source=mastodon&amp;utm_medium=jetpack_social", "creation_timestamp": "2026-07-17T17:35:54.885075Z"}, {"uuid": "cd922fd6-5724-4949-9021-e5d594ae2da7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53566", "type": "seen", "source": "https://bsky.app/profile/kotosecurity.bsky.social/post/3mqzehmkorm24", "content": "\ud83e\ude9f TREND: Citrix Secure Access / Endpoint Analysis Client for Windows (CVE-2026-53565, +CVE-2026-53566, CTX696734, Jul 14) lets a standard low-privileged user escalate to full SYSTEM. Enterprise VPN/endpoint clients remain a prime local-priv-esc target \u2014 patch endpoints now. Src: Cybersecurity News", "creation_timestamp": "2026-07-19T18:03:25.805020Z"}]}