CVE-2026-4680
published 2026-03-24CVE-2026-4680: 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…
PriorityP353high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.42%
34.4th percentile
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)
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 146.0.7680.164-1~deb12u1 | 146.0.7680.164-1~deb12u1 |
| chromium | chromium | >= 0 < 146.0.7680.164-1~deb13u1 | 146.0.7680.164-1~deb13u1 |
| chromium | chromium | >= 0 < 146.0.7680.164-1 | 146.0.7680.164-1 |
| debian | chromium | < chromium 146.0.7680.164-1~deb12u1 (bookworm) | chromium 146.0.7680.164-1~deb12u1 (bookworm) |
| chrome | < 146.0.7680.164 | 146.0.7680.164 | |
| chrome | >= 146.0.7680.165 < 146.0.7680.165 | 146.0.7680.165 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
| paloalto | prisma_browser | — | — |
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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Palo Alto
PAN-SA-2026-0007 Chromium and Prisma Browser: Monthly Vulnerability Update (May 2026)
vendor_paloalto·2026-05-13·CVSS 8.8
CVE-2026-4439 [HIGH] PAN-SA-2026-0007 Chromium and Prisma Browser: Monthly Vulnerability Update (May 2026)
PAN-SA-2026-0007 Chromium and Prisma Browser: Monthly Vulnerability Update (May 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_22.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html CVE Summary CVE-2026-4439 Out of bounds memory access in WebGL CVE-2026-4440 Out of bounds read and write in WebGL CVE-2026-4441 Use after free in Base CVE-2026-4442 Heap buffer overflow in
Chrome
Long Term Support Channel Update for ChromeOS: CVE-2026-4680
vendor_chrome·2026-04-29·CVSS 8.8
CVE-2026-4680 [HIGH] Long Term Support Channel Update for ChromeOS: CVE-2026-4680
Long Term Support Channel Update for ChromeOS
CVE-2026-4680
Palo Alto
PAN-SA-2026-0004 Chromium: Monthly Vulnerability Update (April 2026)
vendor_paloalto·2026-04-08·CVSS 8.8
[HIGH] PAN-SA-2026-0004 Chromium: Monthly Vulnerability Update (April 2026)
PAN-SA-2026-0004 Chromium: Monthly Vulnerability Update (April 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.html https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html CVE Summary CVE-2026-2648 Heap buffer overflow in PDFium CVE-2026-2649 Integer overflow in V8 CVE-2026-2650 Heap
Red Hat
chromium-browser: Use after free in FedCM
vendor_redhat·2026-03-23·CVSS 8.8
CVE-2026-4680 [HIGH] CWE-825 chromium-browser: Use after free in FedCM
chromium-browser: Use after free in FedCM
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)
An use after free flaw was found in the FedCM component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=491869946
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-4679
vendor_chrome·2026-03-23·CVSS 8.8
CVE-2026-4679 [HIGH] Stable Channel Update for Desktop: CVE-2026-4679
Stable Channel Update for Desktop
CVE-2026-4679: Integer overflow in Fonts. Reported by GF, Un3xploitable Of DeadSec on 2026-03-11 [TBD][ 491869946 ] High CVE-2026-4680: Use after free in FedCM
Reported by Shaheen Fazim on 2026-03-12 We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel
Severity: high
Microsoft
Chromium: CVE-2026-4680 Use after free in FedCM
vendor_msrc·2026-03-10·CVSS 8.8
CVE-2026-4680 [HIGH] Chromium: CVE-2026-4680 Use after free in FedCM
Chromium: CVE-2026-4680 Use after free in FedCM
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: What
Debian
CVE-2026-4680: chromium - Use after free in FedCM in Google Chrome prior to 146.0.7680.165 allowed a remot...
vendor_debian·2026·CVSS 8.8
CVE-2026-4680 [HIGH] CVE-2026-4680: chromium - Use after free in FedCM in Google Chrome prior to 146.0.7680.165 allowed a remot...
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)
Scope: local
bookworm: resolved (fixed in 146.0.7680.164-1~deb12u1)
bullseye: open
forky: resolved (fixed in 146.0.7680.164-1)
sid: resolved (fixed in 146.0.7680.164-1)
trixie: resolved (fixed in 146.0.7680.164-1~deb13u1)
GHSA
GHSA-ff93-q3vw-vxx2: Use after free in FedCM in Google Chrome prior to 146
ghsa_unreviewed·2026-03-24
CVE-2026-4680 [HIGH] CWE-416 GHSA-ff93-q3vw-vxx2: Use after free in FedCM in Google Chrome prior to 146
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)
OSV
CVE-2026-4680: Use after free in FedCM in Google Chrome prior to 146
osv·2026-03-24·CVSS 8.8
CVE-2026-4680 [HIGH] CVE-2026-4680: Use after free in FedCM in Google Chrome prior to 146
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)
No detection rules found.
No public exploits indexed.
2026-03-24
Published