ZDI-CAN-29591 HIGH 7.8 Upcoming Mar 26, 2026

Meta

Meta, the social media and technology conglomerate, has a local privilege escalation vulnerability (CVSS 7.8) that requires user interaction but no authentication to exploit and can compromise confidentiality, integrity, and availability on affected systems. The flaw was reported in March 2026 with a patch deadline of July 2026, giving the vendor approximately four months to develop and release a fix. Security teams should monitor Meta's security advisories closely and prioritize patching once updates become available, particularly for users in environments where local access restrictions are limited.

Advisory Details
Researcher Mat Powell of TrendAI Zero Day Initiative
Reported March 26, 2026
Deadline July 24, 2026 99d
CVSS Vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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