CVE-2026-58956 | Vulnetix

CVE-2026-58956 PUBLISHED CVSS 8.4 HIGH

Reported by google_android · Published November 2, 2026

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.

Risk scores

CVSS 3.1

8.4

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Vendor	Product	Versions
Google	Android	17, 16-qpr2, 16
Google	Android	17, 16-qpr2, 16

Timeline

Nov 2, 2026 Coalition ESS Score
Nov 2, 2026 CVE Published
Nov 3, 2026 EPSS Score (2 in total, the first dated here)
Nov 4, 2026 CVE Updated

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vulnetix vdb fixes CVE-2026-58956

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References

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