CVE-2026-19558
published 2026-08-11CVE-2026-19558: Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute…
PriorityP345high7.5CVSS 3.1
AVNACHPRNUIRSUCHIHAH
EPSS
0.27%
17.5th percentile
Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 151.0.7922.137 | 151.0.7922.137 | |
| chrome | >= 151.0.7922.137 < 151.0.7922.137 | 151.0.7922.137 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat7.5HIGH
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Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-19558
vendor_chrome·2026-08-13·CVSS 7.5
CVE-2026-19558 [HIGH] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-19558
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-19558
Red Hat
chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation
vendor_redhat·2026-08-11·CVSS 7.5
CVE-2026-19558 [HIGH] CWE-416 chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation
chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation
A flaw was found in Google Chrome Extensions. This use-after-free vulnerability allows a remote attacker to execute arbitrary code within the browser's sandbox. Exploitation occurs when a user is convinced to install a specially crafted malicious extension.
Statement: This Important flaw in Google Chrome Extensions allows for arbitrary code execution within the browser's sandbox. Exploitation requires a user to be convinced to install a malicious extension, limiting the attack vector to user interaction rather than remote, unauthenticated access.
Chrome
Stable Channel Update for Desktop: CVE-2026-19556
vendor_chrome·2026-08-11
CVE-2026-19556 [HIGH] Stable Channel Update for Desktop: CVE-2026-19556
Stable Channel Update for Desktop
CVE-2026-19556: Use after free in V8. Reported by Jihyeon Jeong (Compsec Lab, Seoul National University / Research Intern) on 2026-07-15 [N/A][ 534867485 ] High CVE-2026-19557: Use after free in TabStrip
Reported by Google on 2026-07-14 [N/A][ 536676756 ] High CVE-2026-19558: Use after free in Extensions
Severity: high
GHSA
Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted
ghsa_unreviewed·2026-08-12
CVE-2026-19558 [HIGH] CWE-416 Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted
Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-19558 chromium: Google Chrome Extensions: Arbitrary code execution via malicious extension installation [epel-all]
bugzilla·2026-08-12·CVSS 7.5
CVE-2026-19558 [HIGH] CVE-2026-19558 chromium: Google Chrome Extensions: Arbitrary code execution via malicious extension installation [epel-all]
CVE-2026-19558 chromium: Google Chrome Extensions: Arbitrary code execution via malicious extension installation [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.
Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
Bugzilla
CVE-2026-19558 chromium: Google Chrome Extensions: Arbitrary code execution via malicious extension installation [fedora-all]
bugzilla·2026-08-12·CVSS 7.5
CVE-2026-19558 [HIGH] CVE-2026-19558 chromium: Google Chrome Extensions: Arbitrary code execution via malicious extension installation [fedora-all]
CVE-2026-19558 chromium: Google Chrome Extensions: Arbitrary code execution via malicious extension installation [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.
Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
Bugzilla
CVE-2026-19558 chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation
bugzilla·2026-08-11·CVSS 7.5
CVE-2026-19558 [HIGH] CVE-2026-19558 chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation
CVE-2026-19558 chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation
Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
2026-08-11
Published