CVE-2026-4680 — Use After Free in Google Chrome

CWE-416 — Use After FreeCWE-825 — Expired Pointer Dereference9 documents9 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 65.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedMar 24

Description

Use after free in FedCM in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/chrome146.0.7680.165 — 146.0.7680.165
▶NVDgoogle/chrome< 146.0.7680.164
▶Debianchromium/chromium< 146.0.7680.164-1~deb12u1+2

🔴Vulnerability Details

3
CVEList
CVE-2026-4680: Use after free in FedCM in Google Chrome prior to 146↗2026-03-24
▶
GHSA
GHSA-ff93-q3vw-vxx2: Use after free in FedCM in Google Chrome prior to 146↗2026-03-24
▶
OSV
CVE-2026-4680: Use after free in FedCM in Google Chrome prior to 146↗2026-03-24
▶

📋Vendor Advisories

4
Red Hat
chromium-browser: Use after free in FedCM↗2026-03-23
▶
Chrome
Stable Channel Update for Desktop: CVE-2026-4679↗2026-03-23
▶
Microsoft
Chromium: CVE-2026-4680 Use after free in FedCM↗2026-03-10
▶
Debian
CVE-2026-4680: chromium - Use after free in FedCM in Google Chrome prior to 146.0.7680.165 allowed a remot...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-4680 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-4680 — Use After Free in Google Chrome | cvebase