CVE-2026-5877

Chromium: CVE-2026-5877 Use after free in Navigation

CVE-2026-5877 is fixed in 11 products on 2 platforms, first by Google Chrome Dev (EXE) 148.0.7730.2, released March 13, 2026. It is not reported as exploited. Patch Radar priority: High.

HighFixed on 2 platforms

CVSS

8.8

high

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0032

24th percentile

<p>This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2026">Google Chrome Releases</a> for more information.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Google Chrome	156.0.8078.80	Google Chrome 156.0.8078.80	Oct 29, 2026
Google Chrome (EXE)	147.0.7727.56	Google Chrome (EXE) 147.0.7727.56	Apr 6, 2026
Google Chrome Beta	158.0.8127.2	Google Chrome Beta 158.0.8127.2	Oct 28, 2026
Google Chrome Beta (EXE)	148.0.7778.5	Google Chrome Beta (EXE) 148.0.7778.5	Apr 8, 2026
Google Chrome Dev	159.0.8130.0	Google Chrome Dev 159.0.8130.0	Oct 30, 2026
Google Chrome Dev (EXE)	148.0.7730.2	Google Chrome Dev (EXE) 148.0.7730.2	Mar 13, 2026
Microsoft Edge	147.0.3912.60	Microsoft Edge 147.0.3912.60	Apr 10, 2026
Microsoft Edge Beta	151.0.4129.59	Microsoft Edge Beta 151.0.4129.59	Jul 31, 2026
Microsoft Edge Dev	152.0.4167.0	Microsoft Edge Dev 152.0.4167.0	Jul 20, 2026
Microsoft Edge WebView2 Runtime	147.0.3912.60	Microsoft Edge WebView2 Runtime 147.0.3912.60	Apr 10, 2026
Linux
chromium · Debian 12.15 (bookworm)	147.0.7727.55-1~deb12u1	DEBIAN-CVE-2026-5877	Apr 8, 2026
chromium · Debian 13.5 (trixie)	147.0.7727.55-1~deb13u1	DEBIAN-CVE-2026-5877	Apr 8, 2026
chromium · Debian 14	147.0.7727.55-1	DEBIAN-CVE-2026-5877	Apr 8, 2026
chromium · opensuse-leap 16.0	147.0.7727.137-bp160.1.1	OPENSUSE-SU-2026:20660-1	Aug 31, 2026

Details

Published
April 8, 2026
Weakness
CWE-416: Use after free
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5877

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