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6.5 Medium

CVE-2026-88122 Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network

Description

Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.

Affected products and versions

Product Affected versions Fixed in
Windows Server 2012 6.2 6.2.9200.0 → < 6.2.9200.26434 6.2.9200.26434
Windows Server 2012 (Server Core installation) 6.2 6.2.9200.0 → < 6.2.9200.26434 6.2.9200.26434
Windows Server 2012 R2 6.3 6.3.9600.0 → < 6.3.9600.23470 6.3.9600.23470
Windows Server 2012 R2 (Server Core installation) 6.3 6.3.9600.0 → < 6.3.9600.23470 6.3.9600.23470
Windows Server 2016 10.0 10.0.14393.0 → < 10.0.14393.9612 10.0.14393.9612
Windows Server 2016 (Server Core installation) 10.0 10.0.14393.0 → < 10.0.14393.9612 10.0.14393.9612
Windows Server 2019 10.0 10.0.17763.0 → < 10.0.17763.9376 10.0.17763.9376
Windows Server 2019 (Server Core installation) 10.0 10.0.17763.0 → < 10.0.17763.9376 10.0.17763.9376
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.5761 10.0.20348.5761
Show the 2 other branches
Product Affected versions Fixed in
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.33650 10.0.26100.33650
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.33650 10.0.26100.33650

References

Timeline

  1. Published
  2. Last modified

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