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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-69744

Microsoft Windows Kerberos: null pointer dereference

Microsoft

CVE-2026-69744 · Published Sep 8, 2026 · updated Sep 22, 2026

High7.5
Fix: upgrade to 10.0.26100.9445 or later (3 fixed versions below)
Microsoft advisory

Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.

Affected versions

PackageAffectedFixed in
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.944510.0.26100.9445
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.944510.0.26200.9445
Windows Server 2025
Product
>= 10.0.26100.0, < 10.0.26100.3343810.0.26100.33438
Windows Server 2025 (Server Core installation)
Product
>= 10.0.26100.0, < 10.0.26100.3343810.0.26100.33438
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-476

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