CVE-2026-40369
HIGH 7 PoCs
MEDIUM
Priority: 0.37
BB Relevance:
52/100
Published: 2026-05-12
Modified: 2026-11-03
First seen: 2026-11-03
Status: active
Attack Surface
Low Complexity
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Weakness Classification (1)
Affected Software (12)
| Vendor | Product | Version |
|---|---|---|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 < 10.0.26100.8457 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 < 10.0.26200.8457 |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 < 10.0.28000.2113 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.32860 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.32860 |
| microsoft | windows_11_24h2 | < 10.0.26100.8390 |
| microsoft | windows_11_24h2 | < 10.0.26100.8390 |
| microsoft | windows_11_25h2 | < 10.0.26200.8390 |
| microsoft | windows_11_25h2 | < 10.0.26200.8390 |
| microsoft | windows_11_26h1 | < 10.0.28000.2113 |
| microsoft | windows_11_26h1 | < 10.0.28000.2113 |
| microsoft | windows_server_2025 | < 10.0.26100.32772 |
References & Advisories (1)
vendor-advisory
patch