CVE-2026-4458 — Use After Free in Google Chrome

CWE-416 — Use After FreeCWE-825 — Expired Pointer Dereference9 documents9 sources
Severity
8.8HIGHNVD
EPSS
0.0%
top 91.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedMar 20

Description

Use after free in Extensions in Google Chrome prior to 146.0.7680.153 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (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/chrome146.0.7680.153 — 146.0.7680.153
▶NVDgoogle/chrome< 146.0.7680.153
▶Debianchromium/chromium< 146.0.7680.153-1~deb12u1+2

🔴Vulnerability Details

3
OSV
CVE-2026-4458: Use after free in Extensions in Google Chrome prior to 146↗2026-03-20
▶
CVEList
CVE-2026-4458: Use after free in Extensions in Google Chrome prior to 146↗2026-03-20
▶
GHSA
GHSA-fj38-hpf4-jxg7: Use after free in Extensions in Google Chrome prior to 146↗2026-03-20
▶

📋Vendor Advisories

4
Chrome
Stable Channel Update for Desktop: CVE-2026-4458↗2026-03-18
▶
Red Hat
chromium-browser: Use after free in Extensions↗2026-03-18
▶
Microsoft
Chromium: CVE-2026-4458 Use after free in Extensions↗2026-03-10
▶
Debian
CVE-2026-4458: chromium - Use after free in Extensions in Google Chrome prior to 146.0.7680.153 allowed an...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-4458 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-4458 — Use After Free in Google Chrome | cvebase