PT-2026-22517 · Microsoft · Windows Server 2025+2

Published

2026-03-01

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Updated

2026-03-02

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CVE-2026-51001

None

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Name of the Vulnerable Software and Affected Versions Windows Server 2022 Windows Server 2025
Description A heap overflow exists in the dns.exe component of Windows DNS. The issue enables remote code execution. Monitoring for unusual SIG and KEY records is advised. Approximately zero public proof-of-concept exploits are currently available, but the vulnerability is being traded privately.
Recommendations Apply the latest patch immediately. Segment port 53. Monitor for unusual SIG and KEY records.

Related Identifiers

CVE-2026-51001

Affected Products

Windows Dns
Windows Server 2022
Windows Server 2025