Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.

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Windows 11 25h2 Subscribe
Windows 11 26h1 Subscribe
Windows Server 2025 Subscribe
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Fixes

Solution

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Workaround

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History

Wed, 12 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 11 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Description Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
Title Windows Kerberos Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2025
Weaknesses CWE-415
CPEs cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-12T13:52:31.590Z

Reserved: 2026-07-14T21:04:04.256Z

Link: CVE-2026-62766

cve-icon Vulnrichment

Updated: 2026-08-12T13:42:38.454Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-11T17:18:29.027

Modified: 2026-08-12T14:18:18.070

Link: CVE-2026-62766

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses