CVE-2026-69858 PUBLISHED

Windows DNS Server Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 03.08.2026 Published: 08.09.2026 Updated: 08.09.2026

Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 8.1

Product Status

Vendor Microsoft
Product Windows Server 2022
Versions
  • affected from 10.0.20348.0 to 10.0.20348.5622 (excl.)
Vendor Microsoft
Product Windows Server 2025
Versions
  • affected from 10.0.26100.0 to 10.0.26100.33438 (excl.)
Vendor Microsoft
Product Windows Server 2025 (Server Core installation)
Versions
  • affected from 10.0.26100.0 to 10.0.26100.33438 (excl.)

References

Problem Types