CVE-2026-91749
published 2026-09-15CVE-2026-91749: Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a…
PriorityP356critical9.6CVSS 3.1
AVNACLPRNUIRSCCHIHAH
EPSS
0.38%
30.5th percentile
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 153.0.8010.47 | 153.0.8010.47 | |
| chrome | >= 153.0.8010.47 < 153.0.8010.47 | 153.0.8010.47 | |
| chrome_desktop | — | — | |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.19.6CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
vendor_redhat9.6CRITICAL
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Palo Alto
PAN-SA-2026-0013 Chromium: Monthly Vulnerability Update (October 2026)
vendor_paloalto·2026-10-14·CVSS 9.6
CVE-2026-85042 [CRITICAL] PAN-SA-2026-0013 Chromium: Monthly Vulnerability Update (October 2026)
PAN-SA-2026-0013 Chromium: Monthly Vulnerability Update (October 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-de
Red Hat
chromium-browser: chromium-browser: Use after free in Workers
vendor_redhat·2026-09-15·CVSS 9.6
CVE-2026-91749 [CRITICAL] CWE-825 chromium-browser: chromium-browser: Use after free in Workers
chromium-browser: chromium-browser: Use after free in Workers
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
An use after free flaw was found in the Workers component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=558456602
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-2026-91749
vendor_chrome·2026-09-15·CVSS 8.3
CVE-2026-91749 [CRITICAL] Stable Channel Update for Desktop: CVE-2026-91749
Stable Channel Update for Desktop
CVE-2026-91749: Use after free in Workers. Reported by WinD39 - Huynh Dinh Vu on 2026-09-08
[$1,500][ 552283275 ] High CVE-2026-91724: Use after free in Input
Reported by Hafiizh on 2026-08-25
Severity: critical
GHSA
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page.
ghsa_unreviewed·2026-09-15
CVE-2026-91749 [CRITICAL] CWE-416 Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page.
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
No detection rules found.
No public exploits indexed.
Hackernews
⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks
blogs_hackernews·2026-09-21·CVSS 10.0
CVE-2026-76460 [CRITICAL] ⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks
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## ⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks
A browser. A plugin. A package. A login screen. Normal stuff. That is basically the problem this week.
The trouble keeps showing up inside things people already trust: code that takes a bad turn, old payloads coming back, exposed systems, weak checks, fake fixes, and attack paths that look almost too easy. Even the research side is getting messy, with more findings, more automation, and not always more clarity.
Nothing here needs much drama. Just a lot of small doors left open. Here’s what happened.
## ⚡ Threat of the Week
C
Bugzilla
CVE-2026-91749 chromium-browser: Chromium: Arbitrary Code Execution via Use-After-Free in Workers
bugzilla·2026-09-15·CVSS 9.6
CVE-2026-91749 [CRITICAL] CVE-2026-91749 chromium-browser: Chromium: Arbitrary Code Execution via Use-After-Free in Workers
CVE-2026-91749 chromium-browser: Chromium: Arbitrary Code Execution via Use-After-Free in Workers
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
2026-09-15
Published