CVE-2026-88078

MEDIUM 4.3CVE-2026-88078 · Published 29/10/2026 · updated 03/11/2026

In short

CVE-2026-88078 is a MEDIUM (CVSS 4.3) vulnerability affecting edge chromium (microsoft).
Chance of exploitation in the next 30 days (EPSS): 0.29%, higher than 21.9% of all vulnerabilities.
Fix: update to 156.0.4314.42 or later.

Package	Affected versions	Patched versions
edge chromium microsoft	`< 156.0.4314.42`	`156.0.4314.42`

Description

Improper verification of cryptographic signature in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88078 · Patch

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