ZDI-CAN-29621 HIGH 7.8 Upcoming Mar 26, 2026

Meta

Meta, the major social media and technology company, has a high-severity local vulnerability (CVSS 7.8) that requires user interaction but no authentication to exploit, potentially allowing attackers with local access to compromise confidentiality, integrity, and availability. The vulnerability was reported in March 2026 with a patch deadline of July 2026, giving the company approximately four months to develop and release a fix. Security teams should monitor Meta's advisory channels closely for patch details and prioritize testing and deployment once available, particularly for systems where local user access is a concern.

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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