PULSEUnderground Intel

LIVE38signals / 24h

FEED

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CVE WatchNov 10, 2026

CVE-2026-123388

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVSS

7.8

High

EPSS

—

KEV

—

Exploit Today

0

0-100

Published: Nov 10, 2026 · Last modified: Nov 10, 2026 · CWE-122 · CWE-170

EPSS · 30d

Not enough EPSS history yet.

Technical description

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-123388

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