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CVE-2026-91041

7.8 high SSVC exploitation: none Published
NVD · CVE.org

Mounting an attacker-controlled FAT image with fault tolerance enabled causes an out-of-bounds heap write during log replay. The write is attacker-positioned and attacker-valued, and on a common embedded memory layout it reaches the FX_MEDIA driver callback, giving control of the instruction pointer.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-20 15:30
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-20 19:48
  3. StatusReceived → PublishedNVD modified 2026-10-20 15:30
  4. StatusPublished → ReceivedNVD modified 2026-10-20 16:17
  5. StatusReceived → PublishedNVD modified 2026-10-20 13:10
  6. First seenCVSS 7.8NVD modified 2026-10-20 14:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1