{"vulnerability": "CVE-2026-52923", "sightings": [{"uuid": "b5e73f35-d5c1-47e8-91d9-08ddd5ec79a2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-52923", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/redhat-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T10:17:41.807844Z"}, {"uuid": "81245216-d62e-4598-91d6-c54fb5683c14", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-52923", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0812", "content": "", "creation_timestamp": "2026-07-01T02:47:07.935088Z"}, {"uuid": "7c5857d3-a073-4e86-a852-842034f2c6ee", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-52923", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities_20260706", "content": "", "creation_timestamp": "2026-07-06T06:24:24.267628Z"}, {"uuid": "e7632dd6-5321-4c6e-b3e2-54da41ede0bb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52923", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mqk2xedcmj2a", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-52923 \u0432 \u044f\u0434\u0440\u0435 Linux: \u0447\u0442\u043e \u044d\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u0431\u044b\u043b\u0430 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0430\n\n\n\nhttps://kripta.biz/posts/496551EE-F5C1-42C5-A3D7-8C6ED5BB81DD", "creation_timestamp": "2026-07-13T16:03:20.748984Z"}, {"uuid": "2c9721cc-2f74-4bc8-ac65-afb9807b4cde", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52923", "type": "seen", "source": "https://bsky.app/profile/khesefxyz.bsky.social/post/3mqqrhx7qqr2i", "content": "\u05d4\u05e4\u05e8\u05e6\u05d4 CVE-2026-52923 \u05d1\u05d2\u05e8\u05e2\u05d9\u05df \u05dc\u05d9\u05e0\u05d5\u05e7\u05e1: \u05de\u05d4 \u05d6\u05d4 \u05d0\u05d5\u05de\u05e8 \u05dc\u05da?\n\n\n\nhttps://khesef.xyz/posts/28D49D0E-82F8-48C6-8F50-B37E8B79F41F", "creation_timestamp": "2026-07-16T08:02:18.050816Z"}, {"uuid": "a31e64cb-2c51-493f-a656-fd9fa2124c0e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52923", "type": "published-proof-of-concept", "source": "https://t.me/captainsmok3r_official/479", "content": "A public PoC for CVE-2026-52923 demonstrates local privilege escalation to root on affected Linux systems.\n\nThe kernel flaw is a use-after-free in SysV IPC, triggered through the checkpoint/restore path and an invalid IPC ID allocation.\n\nCVSS 7.8 \u2014 local attackers can potentially gain kernel-level control.\npoc:\nhttps://github.com/NebuSec/CyberMeowfia/tree/main/security-research/Linux-CVE-2026-52923-RHEL-6.12.0-211.7.3.el10_2", "creation_timestamp": "2026-08-25T17:00:04.447870Z"}, {"uuid": "bbd32b31-ee8f-4535-8a35-6e5aa198b2fa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52923", "type": "seen", "source": "https://bsky.app/profile/securityonline.bsky.social/post/3mtvu5dncal2d", "content": "A public PoC for the Linux kernel flaw CVE-2026-52923 allows local attackers to escalate to root privilege. Learn about the patch and technical details.\n\n#Linux #CVE202652923 #CyberSecurity #PrivilegeEscalation #KernelFlaw", "creation_timestamp": "2026-08-25T12:48:57.214996Z"}]}