CVE-2026-34332

HIGH

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

CVSS v3.1 Score

8.0
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 5/12/2026Modified: 10/26/2026

Related Intelligence (2)

CRITICALAi

Patch Tuesday - May 2026

Microsoft is publishing 137 vulnerabilities on May 2026 Patch Tuesday . Microsoft is not aware of exploitation in the wild or public disclosure for any of these vulnerabilities. So far this month, Microsoft has provided patches to address 133 browser vulnerabilities, which are not included in the Patch Tuesday count above. Windows Netlogon: critical RCE Anyone responsible for securing a domain con

CVE-2026-41089CVE-2020-1472
Rapid7
HIGHVulnerability

NVD HIGH: CVE-2026-34332 — Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to e...

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

CVE-2026-34332
NIST NVD

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34332Vendor Advisory