HOMEVULNERABILITIESCVE-2026-34332
HIGH

CVE-2026-34332

CWE-416Published: May 12, 2026· Updated: May 14, 2026

8.0
CVSS v3.1
EPSS:0.06%probability of exploitation in 30 daysPercentile:17.8th

Official Description

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

NVD Source

Technical Analysis

CVE-2026-34332 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.0.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Microsoft1 product
windows server 2025
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2026-34332
CVSS Score8.0 / 10
SeverityHIGH
WeaknessCWE-416
CISA KEVNo
EPSS (30d)0.06%
Affected1 vendor
PublishedMay 12, 2026

Related CVEs (CWE-416)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-34332 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.