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Description

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

PUBLISHED Reserved 2026-05-27 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




HIGH: 8.0CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-416: Use After Free

Product status

10.0.26100.0 (custom) before 10.0.26100.33158
affected

10.0.26100.0 (custom) before 10.0.26100.33158
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49169 (Windows DNS Server Remote Code Execution Vulnerability) vendor-advisory patch

cve.org (CVE-2026-49169)

nvd.nist.gov (CVE-2026-49169)

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