July 6, 2026

CVE Watchtower


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CVE-2026-26128NVD

Vulnerability Summary

Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
Severity Level
HIGH(7.8)
Published Date
Mar 10, 2026
Last Modified
May 26, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.45%Probability
Root Weakness (CWE)
CWE-287: Improper Authentication ↗
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVSS v3.1 Base Metrics
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References