CVE-2026-12455
published 2026-06-17CVE-2026-12455: Use after free in Tab Strip in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to…
high7.5CVSS 3.1
AVNACHPRNUIRSUCHIHAH
EPSS
0.23%
13.4th percentile
Use after free in Tab Strip in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | >= 149.0.7827.155 < 149.0.7827.155 | 149.0.7827.155 | |
| chrome_desktop | — | — |
CVSS provenance
cvelistv5v3.17.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat8.8HIGH
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Red Hat
chromium-browser: chromium-browser: Use after free in Tab Strip
vendor_redhat·2026-06-17·CVSS 8.8
CVE-2026-12455 [HIGH] CWE-825 chromium-browser: chromium-browser: Use after free in Tab Strip
chromium-browser: chromium-browser: Use after free in Tab Strip
Use after free in Tab Strip in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
An use after free flaw was found in the Tab Strip component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=517069848
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-2026-12455
vendor_chrome·2026-06-16
CVE-2026-12455 [HIGH] Stable Channel Update for Desktop: CVE-2026-12455
Stable Channel Update for Desktop
CVE-2026-12455: Use after free in Tab Strip. Reported by Google on 2026-05-27 [N/A][ 517124587 ] High CVE-2026-12456: Insufficient validation of untrusted input in Extensions
Reported by Google on 2026-05-27 [N/A][ 517153117 ] High CVE-2026-12457: Insufficient data validation in Extensions
Severity: high
CVEList
CVE-2026-12455: Use after free in Tab Strip in Google Chrome prior to 149
cvelistv5·2026-06-17·CVSS 7.5
CVE-2026-12455 [HIGH] CWE-416 CVE-2026-12455: Use after free in Tab Strip in Google Chrome prior to 149
Use after free in Tab Strip in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
GHSA
Use after free in Tab Strip in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a craft
ghsa_unreviewed·2026-06-17
CVE-2026-12455 [HIGH] CWE-416 Use after free in Tab Strip in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a craft
Use after free in Tab Strip in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
No detection rules found.
No public exploits indexed.
2026-06-17
Published