July 29, 2026

CVE Watchtower


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CVE-2026-40369NVD

Vulnerability Summary

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Severity Level
HIGH(7.8)
Published Date
May 12, 2026
Last Modified
Jun 26, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
4.73%Probability
Root Weakness (CWE)
CWE-822: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References