CVE-2026-17947
published 2026-07-30CVE-2026-17947: Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page…
PriorityP353critical9.6CVSS 3.1
AVNACLPRNUIRSCCHIHAH
EPSS
0.34%
26.2th percentile
Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 151.0.7922.72 | 151.0.7922.72 | |
| chrome | >= 151.0.7922.72 < 151.0.7922.72 | 151.0.7922.72 | |
| chrome_desktop | — | — |
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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Red Hat
chromium-browser: chromium-browser: Use after free in WebSockets
vendor_redhat·2026-07-30·CVSS 9.6
CVE-2026-17947 [CRITICAL] CWE-825 chromium-browser: chromium-browser: Use after free in WebSockets
chromium-browser: chromium-browser: Use after free in WebSockets
An use after free flaw was found in the WebSockets component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=515438256
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-2026-17947
vendor_chrome·2026-07-29
CVE-2026-17947 [LOW] Stable Channel Update for Desktop: CVE-2026-17947
Stable Channel Update for Desktop
CVE-2026-17947: Use after free in WebSockets. Reported by Google on 2026-05-21 [N/A][ 516849257 ] Low CVE-2026-17948: Type Confusion in V8
Reported by Google on 2026-05-26 [N/A][ 517000034 ] Low CVE-2026-17949: Uninitialized Use in GPU
Severity: low
GHSA
Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
ghsa_unreviewed·2026-07-30
CVE-2026-17947 [CRITICAL] CWE-416 Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)
No detection rules found.
No public exploits indexed.
2026-07-30
Published