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CVE WatchNov 3, 2026

CVE-2026-58956

In modpowF4 of avb_rsa.c, there is a possible signature verification bypass due to a logic error in the code. This could lead to local escal

CVSS

8.4

High

EPSS

—

KEV

—

Exploit Today

0

0-100

Published: Nov 2, 2026 · Last modified: Nov 3, 2026 · CWE-693

EPSS · 30d

Not enough EPSS history yet.

Technical description

In modpowF4 of avb_rsa.c, there is a possible signature verification bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Official references
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