CVE-2026-6299 — Use After Free in Google Chrome

CWE-416 — Use After FreeCWE-825 — Expired Pointer Dereference7 documents7 sources
Severity
8.8HIGHNVD
EPSS
0.0%
top 92.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Google Chrome
Timeline
PublishedApr 15
Latest updateApr 16

Description

Use after free in Prerender in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

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 Packages1 packages

▶CVEListV5google/chrome147.0.7727.101 — 147.0.7727.101

🔴Vulnerability Details

3
VulDB
Google Chrome up to 147.0.7727.55 Prerender use after free (ID 497053)↗2026-04-16
▶
GHSA
GHSA-3347-qjpp-457v: Use after free in Prerender in Google Chrome prior to 147↗2026-04-15
▶
CVEList
CVE-2026-6299: Use after free in Prerender in Google Chrome prior to 147↗2026-04-15
▶

📋Vendor Advisories

2
Chrome
Stable Channel Update for Desktop: CVE-2026-6299↗2026-04-15
▶
Red Hat
chromium-browser: Use after free in Prerender↗2026-04-15
▶

💬Community

1
Bugzilla
CVE-2026-6299 Google Chrome: Chromium: Google Chrome and Chromium: Arbitrary code execution via a crafted HTML page↗2026-04-15
▶
CVE-2026-6299 — Use After Free in Google Chrome | cvebase