CVE-2026-96198: Microsoft Edge (Chromium-based) (High, CVSS 8.8)
CVE-2026-96198HighMicrosoft Edge (Chromium-based)
- CVSS
- 8.8 High (v3.1)
- Exploited in the wild
- Not on CISA’s KEV list
- Public exploit
- None reported in public exploit databases
- Weakness
- CWE-122
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Published
- Oct 29, 2026
What it is
Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Description from the National Vulnerability Database.
What to do
Check whether you run Microsoft Edge (Chromium-based), then apply the vendor’s fix or mitigation from the advisories below.
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.