CVE-2026-15121
published 2026-07-08CVE-2026-15121: Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page…
PriorityP353high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.31%
23.0th percentile
Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 150.0.7871.115 | 150.0.7871.115 | |
| chrome | >= 150.0.7871.115 < 150.0.7871.115 | 150.0.7871.115 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat8.8HIGH
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Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-15121
vendor_chrome·2026-07-16
CVE-2026-15121 Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-15121
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-15121
Red Hat
chromium-browser: chromium-browser: Use after free in WebRTC
vendor_redhat·2026-07-08·CVSS 8.8
CVE-2026-15121 [HIGH] CWE-825 chromium-browser: chromium-browser: Use after free in WebRTC
chromium-browser: chromium-browser: Use after free in WebRTC
Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
An use after free flaw was found in the WebRTC component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=523712556
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-2026-15120
vendor_chrome·2026-07-08
CVE-2026-15120 [HIGH] Stable Channel Update for Desktop: CVE-2026-15120
Stable Channel Update for Desktop
CVE-2026-15120: Use after free in Core. Reported by Google on 2026-06-13 [N/A][ 523712556 ] High CVE-2026-15121: Use after free in WebRTC
Reported by Google on 2026-06-14 [N/A][ 523717219 ] High CVE-2026-15122: Insufficient validation of untrusted input in Codecs
Severity: high
GHSA
Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
ghsa_unreviewed·2026-07-09
CVE-2026-15121 [HIGH] CWE-416 Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
VulDB
Google Chrome up to 150.0.7871.47 WebRTC use after free
vuldb·2026-07-09
CVE-2026-15121 [CRITICAL] Google Chrome up to 150.0.7871.47 WebRTC use after free
A vulnerability classified as critical was found in Google Chrome. The impacted element is an unknown function of the component WebRTC. The manipulation results in use after free.
This vulnerability is identified as CVE-2026-15121. The attack can be executed remotely. There is not any exploit available.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-15108 CVE-2026-15109 CVE-2026-15110 CVE-2026-15111 CVE-2026-15112 CVE-2026-15113 CVE-2026-15114 CVE-2026-15115 CVE-2026-15116 CVE-2026-15117 CVE-2026-15118 CVE-2026-15119 CVE-2026-15120 CVE-2
bugzilla·2026-07-09·CVSS 4.3
CVE-2026-15108 [MEDIUM] CVE-2026-15108 CVE-2026-15109 CVE-2026-15110 CVE-2026-15111 CVE-2026-15112 CVE-2026-15113 CVE-2026-15114 CVE-2026-15115 CVE-2026-15116 CVE-2026-15117 CVE-2026-15118 CVE-2026-15119 CVE-2026-15120 CVE-2
CVE-2026-15108 CVE-2026-15109 CVE-2026-15110 CVE-2026-15111 CVE-2026-15112 CVE-2026-15113 CVE-2026-15114 CVE-2026-15115 CVE-2026-15116 CVE-2026-15117 CVE-2026-15118 CVE-2026-15119 CVE-2026-15120 CVE-2026-15121 ... 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.
Use after free in Ozone in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sand
Bugzilla
CVE-2026-15108 CVE-2026-15109 CVE-2026-15110 CVE-2026-15111 CVE-2026-15112 CVE-2026-15113 CVE-2026-15114 CVE-2026-15115 CVE-2026-15116 CVE-2026-15117 CVE-2026-15118 CVE-2026-15119 CVE-2026-15120 CVE-2
bugzilla·2026-07-09·CVSS 4.3
CVE-2026-15108 [MEDIUM] CVE-2026-15108 CVE-2026-15109 CVE-2026-15110 CVE-2026-15111 CVE-2026-15112 CVE-2026-15113 CVE-2026-15114 CVE-2026-15115 CVE-2026-15116 CVE-2026-15117 CVE-2026-15118 CVE-2026-15119 CVE-2026-15120 CVE-2
CVE-2026-15108 CVE-2026-15109 CVE-2026-15110 CVE-2026-15111 CVE-2026-15112 CVE-2026-15113 CVE-2026-15114 CVE-2026-15115 CVE-2026-15116 CVE-2026-15117 CVE-2026-15118 CVE-2026-15119 CVE-2026-15120 CVE-2026-15121 ... 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.
Use after free in Ozone in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sa
Bugzilla
CVE-2026-15121 chromium-browser: chromium-browser: Use after free in WebRTC
bugzilla·2026-07-08·CVSS 8.8
CVE-2026-15121 [HIGH] CVE-2026-15121 chromium-browser: chromium-browser: Use after free in WebRTC
CVE-2026-15121 chromium-browser: chromium-browser: Use after free in WebRTC
Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
2026-07-08
Published