CVE-2026-21093

unknown

EUVD alias: EUVD-2026-74634

Assigned by CNA: samsungmobile

Published 2026-09-09 · Modified 2026-09-09

Discuss on Community Propose mitigation

CVSS v3

—

CVSS v4 NEW

5.6

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

VIR risk

—

Description

Stack-based buffer overflow in PROCA trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to write out-of-bounds memory.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09

CWEs

CWE-121:

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.