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Fencer Intel
high 7.5

CVE-2026-96176 json

Windows DNS Denial of Service Vulnerability

published yesterday modified 17h ago also EUVD-2026-121498

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

Missing release of memory after effective lifetime in Windows DNS allows an unauthorized attacker to deny service over a network.

Patch / fix

  • Microsoft Windows 11 version 23H2 10.0.22631.7711
  • Microsoft Windows 11 Version 24H2 10.0.26100.9974
  • Microsoft Windows 11 Version 25H2 10.0.26200.9974
  • Microsoft Windows 11 version 26H1 10.0.28000.3501
  • Microsoft Windows 11 Version 26H2 10.0.26300.9974
  • Microsoft Windows Server 2025 10.0.26100.33822
  • Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.33822

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
yesterday

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Microsoft Windows 11 version 23H2
  • Microsoft Windows 11 Version 24H2
  • Microsoft Windows 11 Version 25H2
  • Microsoft Windows 11 version 26H1
  • Microsoft Windows 11 Version 26H2
  • Microsoft Windows Server 2025
  • Microsoft Windows Server 2025 (Server Core installation)

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.