PULSEUnderground Intel

LIVE65signals / 24h

FEED

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CVE WatchAug 5, 2026

CVE-2026-66318

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVSS

8.1

High

EPSS

0.4%

p30

KEV

—

Exploit Today

9

0-100

Published: Aug 4, 2026 · Last modified: Aug 5, 2026 · CWE-346

EPSS · 30d

Not enough EPSS history yet.

Technical description

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66318

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