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CVE-2026-20977

MEDIUMCVSS 6.9/10EPSS 0.12%

Last modified

CVE-2026-20977 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
5.5/10

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

CVSS 4.0
6.9/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.12%

2.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
SamsungAndroid14.0
SamsungAndroid15.0
SamsungAndroid16.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20977?
Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.
How severe is CVE-2026-20977?
CVE-2026-20977 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20977?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20977?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST