High severity7.8NVD Advisory· Published Oct 20, 2026· Updated Oct 20, 2026
CVE-2026-91041
CVE-2026-91041
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
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