November 14, 2026

CVE Watchtower

CVE-2025-29828Microsoft Windows

NVDCVSS scored by secure@microsoft.com

Vulnerability Summary

Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to execute code over a network.
Severity Level
HIGH(8.1)
Published Date
Jun 10, 2025
Last Modified
Jul 10, 2025
Exploitation Status
No confirmed exploitation yet
Root Weakness (CWE)
CWE-401 β†—
See the MITRE CWE entry for the full definition of this weakness.
CVSS v3.1 Base Metrics — Score 8.1 (HIGH)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Microsoft Windows 11 22h2 < 10.0.22621.5472
  • Microsoft Windows 11 23h2 < 10.0.22631.5472
  • Microsoft Windows 11 24h2 < 10.0.26100.4270
  • Microsoft Windows Server 2022 < 10.0.20348.3745
  • Microsoft Windows Server 2022 23h2 < 10.0.25398.1665
  • Microsoft Windows Server 2025 < 10.0.26100.4270
Patched Versions
  • Microsoft Windows 11 22h2 10.0.22621.5472
  • Microsoft Windows 11 23h2 10.0.22631.5472
  • Microsoft Windows 11 24h2 10.0.26100.4270
  • Microsoft Windows Server 2022 10.0.20348.3745
  • Microsoft Windows Server 2022 23h2 10.0.25398.1665
  • Microsoft Windows Server 2025 10.0.26100.4270

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is high.

  1. Check whether you run Microsoft Windows and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Jun 10, 2025Published
  • Jul 10, 2025Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 14, 2026 18:19 UTC