CVE-2026-20977

moderate-risk
Published 2026-02-04

Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.

Do I need to act?

-
0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Vendors

46
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 28/34 · Critical