CVE-2026-3919
published 2026-03-11CVE-2026-3919: Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an attacker who convinced a user to install a malicious extension to potentially…
PriorityP347high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.26%
17.6th percentile
Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 146.0.7680.71-1~deb12u1 | 146.0.7680.71-1~deb12u1 |
| chromium | chromium | >= 0 < 146.0.7680.71-1~deb13u1 | 146.0.7680.71-1~deb13u1 |
| chromium | chromium | >= 0 < 146.0.7680.71-1 | 146.0.7680.71-1 |
| debian | chromium | < chromium 146.0.7680.71-1~deb12u1 (bookworm) | chromium 146.0.7680.71-1~deb12u1 (bookworm) |
| chrome | < 146.0.7680.71 | 146.0.7680.71 | |
| chrome | >= 146.0.7680.71 < 146.0.7680.71 | 146.0.7680.71 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_debian8.8HIGH
vendor_msrc8.8HIGH
vendor_redhat8.8HIGH
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GHSA
GHSA-mqf6-pg39-x737: Use after free in Extensions in Google Chrome prior to 146
ghsa_unreviewed·2026-03-12
CVE-2026-3919 [HIGH] CWE-416 GHSA-mqf6-pg39-x737: Use after free in Extensions in Google Chrome prior to 146
Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
OSV
CVE-2026-3919: Use after free in Extensions in Google Chrome prior to 146
osv·2026-03-11·CVSS 8.8
CVE-2026-3919 [HIGH] CVE-2026-3919: Use after free in Extensions in Google Chrome prior to 146
Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-3919
vendor_chrome·2026-03-24·CVSS 8.8
CVE-2026-3919 [HIGH] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-3919
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-3919
Red Hat
chromium-browser: Use after free in Extensions
vendor_redhat·2026-03-10·CVSS 8.8
CVE-2026-3919 [HIGH] chromium-browser: Use after free in Extensions
chromium-browser: Use after free in Extensions
Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
An use after free flaw was found in the Extensions component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=444176961
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Microsoft
Chromium: CVE-2026-3919 Use after free in Extensions
vendor_msrc·2026-03-10·CVSS 8.8
CVE-2026-3919 [HIGH] Chromium: CVE-2026-3919 Use after free in Extensions
Chromium: CVE-2026-3919 Use after free in Extensions
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft Edge
FAQ:
Debian
CVE-2026-3919: chromium - Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an ...
vendor_debian·2026·CVSS 8.8
CVE-2026-3919 [HIGH] CVE-2026-3919: chromium - Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an ...
Use after free in Extensions in Google Chrome prior to 146.0.7680.71 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Scope: local
bookworm: resolved (fixed in 146.0.7680.71-1~deb12u1)
bullseye: open
forky: resolved (fixed in 146.0.7680.71-1)
sid: resolved (fixed in 146.0.7680.71-1)
trixie: resolved (fixed in 146.0.7680.71-1~deb13u1)
No detection rules found.
No public exploits indexed.
2026-03-11
Published