CVE-2026-96858

Missing authentication for critical function in Windows Security Account Manager allows an…

Risk score: 41/100
CVSS: 5.5 v3.1
Exploit chance (30 days): 0.5%
Published: 13 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is: Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to perform tampering locally.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 5.5 medium

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96858

Original description

Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to perform tampering locally.

Last activity 13 Oct 2026. Patch Forecast updates every hour.