CVE-2026-20977

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

Medium · published February 4, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
2.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00138 · 2.9th percentile
Published
2026-02-04T06:14Z
EPSS history
Timeline
  • 04 FEB 06:14Z
    Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning
    cvelistv5