HIGH · 8.0

CVE-2026-49169

Use after free in DNS Server allows an authorized attacker to execute code over a network.

Vulnerability Description

Use after free in DNS Server allows an authorized attacker to execute code over a network.

CVSS Score

8.0

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows Server 2025< 10.0.26100.33158

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-49169?

CVE-2026-49169 is a vulnerability with a CVSS score of 8.0 (HIGH). Use after free in DNS Server allows an authorized attacker to execute code over a network.

How severe is CVE-2026-49169?

CVE-2026-49169 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-49169?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Server 2025.