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CVE-2026-62777

nvd nist
Published: Aug 11, 2026Modified: Aug 13, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

Missing authentication for critical function in Windows License Manager allows an authorized attacker to elevate privileges locally.

Affected (22)

Microsoft
12 products
Windows 10 1607
Windows 10 1809
Windows 10 21h2
Windows 10 22h2
Windows 11 23h2
Windows 11 24h2
Windows 11 25h2
Windows 11 26h1
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows Server 2025
Configuration A
22 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 10 1607
Before 10.0.14393.9418
Windows 10 1607
Before 10.0.14393.9418
Microsoft
Windows 10 1809
Before 10.0.17763.9115
Windows 10 1809
Before 10.0.17763.9115
Microsoft
Windows 10 21h2
Before 10.0.19044.7663
Windows 10 21h2
Before 10.0.19044.7663
Windows 10 21h2
Before 10.0.19044.7663
Microsoft
Windows 10 22h2
Before 10.0.19045.7663
Windows 10 22h2
Before 10.0.19045.7663
Windows 10 22h2
Before 10.0.19045.7663
Microsoft
Windows 11 23h2
Before 10.0.22631.7517
Windows 11 23h2
Before 10.0.22631.7517
Microsoft
Windows 11 24h2
Before 10.0.26100.9106
Windows 11 24h2
Before 10.0.26100.9106
Microsoft
Windows 11 25h2
Before 10.0.26200.9106
Windows 11 25h2
Before 10.0.26200.9106
Microsoft
Windows 11 26h1
Before 10.0.28000.2704
Windows 11 26h1
Before 10.0.28000.2704
Windows Server 2016
Before 10.0.14393.9418
Windows Server 2019
Before 10.0.17763.9115
Windows Server 2022
Before 10.0.20348.5440
Windows Server 2025
Before 10.0.26100.33222

Related CWEs

CWE-306
Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (1)

Source: secure@microsoft.com
PatchVendor Advisory

Timeline

No history available yet.