CVE-2026-62872

EUVD-2026-56680
Incorrect authorization in .NET Framework allows an authorized attacker to elevate privileges over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 53.99%
Affected Products (NVD)
VendorProductVersion
microsoft.net_framework
4.8.1
microsoft.net_framework
4.8
microsoft.net_framework
4.6.2
microsoft.net_framework
4.7
microsoft.net_framework
4.7.1
microsoft.net_framework
4.7.2
microsoft.net_framework
3.5
microsoft.net_framework
4.8.1
microsoft.net_framework
3.5
microsoft.net_framework
4.7.2
microsoft.net_framework
3.5
microsoft.net_framework
4.8
microsoft.net_framework
3.5
microsoft.net_framework
4.6.2
microsoft.net_framework
4.7
microsoft.net_framework
4.7.1
microsoft.net_framework
4.7.2
microsoft.net_framework
3.5
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
1607 (x64, x86)
1607 (x64, x86)
1809 (x64, x86)
1809 (x64, x86)
21H2 (arm64, x64, x86)
21H2 (arm64, x64, x86)
22H2 (arm64, x64, x86)
22H2 (arm64, x64, x86)
Windows 11
23H2 (arm64, x64)
24H2 (arm64, x64)
25H2 (arm64, x64)
26H1 (arm64, x64)
26H1 (arm64, x64)
Windows Server 2012
Server Core
Server Core
Server Core
Standard
Standard
Standard
Windows Server 2012 R2
Server Core
Server Core
Server Core
Standard
Standard
Standard
Windows Server 2016
Server Core
Server Core
Standard
Standard
Windows Server 2019
Server Core
Server Core
Standard
Standard
Windows Server 2022
Server Core
Server Core
Standard
Standard
Windows Server 2025
Server Core
Standard