CVE-2026-8521
published 2026-05-14CVE-2026-8521: Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic…
PriorityP344high7.5CVSS 3.1
AVAACHPRNUINSUCHIHAH
EPSS
0.16%
5.3th percentile
Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 148.0.7778.168 | 148.0.7778.168 | |
| chrome | >= 148.0.7778.168 < 148.0.7778.168 | 148.0.7778.168 | |
| chrome_desktop | — | — | |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_redhat7.5HIGH
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GHSA
GHSA-9mx2-vh7f-423c: Use after free in Tab Groups in Google Chrome prior to 148
ghsa_unreviewed·2026-05-14
CVE-2026-8521 [HIGH] CWE-416 GHSA-9mx2-vh7f-423c: Use after free in Tab Groups in Google Chrome prior to 148
Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)
Palo Alto
PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
vendor_paloalto·2026-06-10·CVSS 8.8
CVE-2026-8509 [HIGH] PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html CVE Summary CVE-2026-8509 Heap buffer overflow in WebML CVE-2026-8510 Integer overflow in Skia CVE-2026-8511 Use after free in UI CVE-2026-8512 Use after free in FileSystem CVE-2026-8513 Use after free in Input CVE-2026-8514 Use after free in Aura CVE-2026-8515 Use after free
Red Hat
chromium-browser: chromium-browser: Use after free in Tab Groups
vendor_redhat·2026-05-14·CVSS 7.5
CVE-2026-8521 [HIGH] CWE-825 chromium-browser: chromium-browser: Use after free in Tab Groups
chromium-browser: chromium-browser: Use after free in Tab Groups
An use after free flaw was found in the Tab Groups component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=504106200
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-2026-8520
vendor_chrome·2026-05-12·CVSS 8.3
CVE-2026-8520 [CRITICAL] Stable Channel Update for Desktop: CVE-2026-8520
Stable Channel Update for Desktop
CVE-2026-8520: Race in Payments. Reported by Google on 2026-04-17 [N/A][ 504106200 ] Critical CVE-2026-8521: Use after free in Tab Groups
Reported by Google on 2026-04-18 [N/A][ 504185107 ] Critical CVE-2026-8522: Use after free in Downloads
Severity: critical
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-8509 CVE-2026-8510 CVE-2026-8511 CVE-2026-8512 CVE-2026-8513 CVE-2026-8514 CVE-2026-8515 CVE-2026-8516 CVE-2026-8517 CVE-2026-8518 CVE-2026-8519 CVE-2026-8520 CVE-2026-8521 CVE-2026-8522 CVE-
bugzilla·2026-05-15·CVSS 8.8
CVE-2026-8509 [HIGH] CVE-2026-8509 CVE-2026-8510 CVE-2026-8511 CVE-2026-8512 CVE-2026-8513 CVE-2026-8514 CVE-2026-8515 CVE-2026-8516 CVE-2026-8517 CVE-2026-8518 CVE-2026-8519 CVE-2026-8520 CVE-2026-8521 CVE-2026-8522 CVE-
CVE-2026-8509 CVE-2026-8510 CVE-2026-8511 CVE-2026-8512 CVE-2026-8513 CVE-2026-8514 CVE-2026-8515 CVE-2026-8516 CVE-2026-8517 CVE-2026-8518 CVE-2026-8519 CVE-2026-8520 CVE-2026-8521 CVE-2026-8522 CVE-2026-8523 ... chromium: various flaws [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-8509 CVE-2026-8510 CVE-2026-8511 CVE-2026-8512 CVE-2026-8513 CVE-2026-8514 CVE-2026-8515 CVE-2026-8516 CVE-2026-8517 CVE-2026-8518 CVE-2026-8519 CVE-2026-8520 CVE-2026-8521 CVE-2026-8522 CVE-
bugzilla·2026-05-15·CVSS 8.8
CVE-2026-8509 [HIGH] CVE-2026-8509 CVE-2026-8510 CVE-2026-8511 CVE-2026-8512 CVE-2026-8513 CVE-2026-8514 CVE-2026-8515 CVE-2026-8516 CVE-2026-8517 CVE-2026-8518 CVE-2026-8519 CVE-2026-8520 CVE-2026-8521 CVE-2026-8522 CVE-
CVE-2026-8509 CVE-2026-8510 CVE-2026-8511 CVE-2026-8512 CVE-2026-8513 CVE-2026-8514 CVE-2026-8515 CVE-2026-8516 CVE-2026-8517 CVE-2026-8518 CVE-2026-8519 CVE-2026-8520 CVE-2026-8521 CVE-2026-8522 CVE-2026-8523 ... chromium: various flaws [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-8521 chromium-browser: chromium-browser: Use after free in Tab Groups
bugzilla·2026-05-14·CVSS 7.5
CVE-2026-8521 [HIGH] CVE-2026-8521 chromium-browser: chromium-browser: Use after free in Tab Groups
CVE-2026-8521 chromium-browser: chromium-browser: Use after free in Tab Groups
Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)
2026-05-14
Published