CVE-2026-88078 — Vulnerability intelligence

microsoft — edge chromium

Published: 2026-10-29T16:19:53.440

CVSS

4.3

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

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

Sources

• CVE-2026-88078
• Patch, Vendor Advisory