Review reviewHigh

CVE-2026-50682

Microsoft Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 Version 24H2

Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network.

CVSS
7.1
EPSS
0.89%
55.8% percentile
CISA KEV
Not listed
Published
2026.07.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.89%
Technical severityCVSS 7.1

Vulnerability overview

Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network.

Affected product and versions

Product
Microsoft Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 Version 24H2
Affected versions
>= 10.0.19044.0 < 10.0.19044.7548, >= 10.0.19045.0 < 10.0.19045.7548, >= 10.0.26100.0 < 10.0.26100.8875, >= 10.0.26200.0 < 10.0.26200.8875, >= 10.0.28000.0 < 10.0.28000.2525, >= 10.0.20348.0 < 10.0.20348.5386, >= 10.0.26100.0 < 10.0.26100.33158, < 10.0.19044.7548, < 10.0.19045.7548, < 10.0.26100.8875, < 10.0.26200.8875, < 10.0.28000.2269, < 10.0.28000.2525, < 10.0.20348.5386, < 10.0.26100.33158
Fixed versions
10.0.19044.7548, 10.0.19045.7548, 10.0.26100.8875, 10.0.26200.8875, 10.0.28000.2269, 10.0.28000.2525, 10.0.20348.5386, 10.0.26100.33158

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Microsoft Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 Version 24H2 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
CWE
CWE-125
CVE-2026-50682 — Microsoft Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 Version 24H2 | SECUFOCUS NOW