CVE-2025-21313

Windows Security Account Manager (SAM) Denial of Service Vulnerability

MEDIUM
6.5
CVSS Score
Published: January 14, 2025 at 06:04 PM UTC
Updated: June 17, 2026 at 08:43 AM UTC
4 products affected across 1 vendorWindows Server 2025Windows 11 24H2Windows Server 2022 23H2

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Windows Security Account Manager (SAM) Denial of Service Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.0.26100.289410.0.26100.0 ≤ v < 10.0.26100.289410.0.26100.0
Affected range stops below 10.0.26100.2894, so it looks safe — our inference, not a vendor statement
v < 10.0.25398.136910.0.25398.0 ≤ v < 10.0.25398.136910.0.25398.0
Affected range stops below 10.0.25398.1369, so it looks safe — our inference, not a vendor statement
v < 10.0.26100.289410.0.26100.0 ≤ v < 10.0.26100.289410.0.26100.0
Affected range stops below 10.0.26100.2894, so it looks safe — our inference, not a vendor statement
10.0.25398.0 ≤ v < 10.0.25398.1369
Affected range stops below 10.0.25398.1369, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-833NVD-CWE-noinfo

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