HarborGuard / CVE
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HIGHCVE-2026-35424Published Modified CNA microsoft

CVE-2026-35424: Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability

Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

Metrics

CVSS v3.1
7.5
Severity
HIGH
Fixed in
6.2.9200.26079
Affected Products
21

Fix available

6.2.9200.260796.3.9600.2318110.0.14393.914010.0.17763.875510.0.19044.729110.0.19045.729110.0.20348.513910.0.22631.707910.0.25398.233010.0.26100.845710.0.26100.3286010.0.26200.845710.0.28000.2113
Patch commits
Affected packages
  • Microsoft / Windows 10 Version 1607
    < 10.0.14393.9140 (from 10.0.14393.0)
  • Microsoft / Windows 10 Version 1809
    < 10.0.17763.8755 (from 10.0.17763.0)
  • Microsoft / Windows 10 Version 21H2
    < 10.0.19044.7291 (from 10.0.19044.0)
  • Microsoft / Windows 10 Version 22H2
    < 10.0.19045.7291 (from 10.0.19045.0)
  • Microsoft / Windows 11 version 22H3
    < 10.0.22631.7079 (from 10.0.22631.0)
  • Microsoft / Windows 11 Version 23H2
    < 10.0.22631.7079 (from 10.0.22631.0)
  • Microsoft / Windows 11 Version 24H2
    < 10.0.26100.8457 (from 10.0.26100.0)
  • Microsoft / Windows 11 Version 25H2
    < 10.0.26200.8457 (from 10.0.26200.0)
  • Microsoft / Windows 11 version 26H1
    < 10.0.28000.2113 (from 10.0.28000.0)
  • Microsoft / Windows Server 2012
    < 6.2.9200.26079 (from 6.2.9200.0)
  • Microsoft / Windows Server 2012 (Server Core installation)
    < 6.2.9200.26079 (from 6.2.9200.0)
  • Microsoft / Windows Server 2012 R2
    < 6.3.9600.23181 (from 6.3.9600.0)
  • Microsoft / Windows Server 2012 R2 (Server Core installation)
    < 6.3.9600.23181 (from 6.3.9600.0)
  • Microsoft / Windows Server 2016
    < 10.0.14393.9140 (from 10.0.14393.0)
  • Microsoft / Windows Server 2016 (Server Core installation)
    < 10.0.14393.9140 (from 10.0.14393.0)
  • Microsoft / Windows Server 2019
    < 10.0.17763.8755 (from 10.0.17763.0)
  • Microsoft / Windows Server 2019 (Server Core installation)
    < 10.0.17763.8755 (from 10.0.17763.0)
  • Microsoft / Windows Server 2022
    < 10.0.20348.5139 (from 10.0.20348.0)
  • Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
    < 10.0.25398.2330 (from 10.0.25398.0)
  • Microsoft / Windows Server 2025
    < 10.0.26100.32860 (from 10.0.26100.0)
  • Microsoft / Windows Server 2025 (Server Core installation)
    < 10.0.26100.32860 (from 10.0.26100.0)
CVSS Vector
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
References