CVE-2026-62888

HIGH CVSS 3.1: 7.8 EPSS 1.83%
Updated Aug 13, 2026
Microsoft
Parameter Value
CVSS 7.8 (HIGH)
Affected Versions before 10.0.28000.2704
Fixed In 10.0.19044.7663
Type CWE-416 (Use After Free)
Vendor Microsoft
Public PoC No

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 16

Configuration From (including) Up to (excluding)
Microsoft Windows_10_21h2
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
10.0.19044.7663
Microsoft Windows_10_21h2
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
10.0.19044.7663
Microsoft Windows_10_21h2
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
10.0.19044.7663
Microsoft Windows_10_22h2
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
10.0.19045.7663
Microsoft Windows_10_22h2
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
10.0.19045.7663
Microsoft Windows_10_22h2
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
10.0.19045.7663
Microsoft Windows_11_23h2
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
10.0.22631.7517
Microsoft Windows_11_23h2
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
10.0.22631.7517
Microsoft Windows_11_24h2
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
10.0.26100.9106
Microsoft Windows_11_24h2
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
10.0.26100.9106
Microsoft Windows_11_25h2
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
10.0.26200.9106
Microsoft Windows_11_25h2
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
10.0.26200.9106
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
10.0.28000.2704
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
10.0.28000.2704
Microsoft Windows_Server_2022
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
10.0.20348.5440
Microsoft Windows_Server_2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
10.0.26100.33222