CVE-2026-85850

HIGH CVSS 3.1: 7.8 EPSS 0.34%
Updated Oct 29, 2026
Microsoft
Parameter Value
CVSS 7.8 (HIGH)
Affected Versions before 10.0.28000.3231
Fixed In 10.0.28000.3231
Type CWE-763
Vendor Microsoft
Public PoC No

Release of invalid pointer or reference in Windows Kernel 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 2

Configuration From (including) Up to (excluding)
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
— 10.0.28000.3231
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
— 10.0.28000.3231