CVE-2026-7946
published 2026-05-06CVE-2026-7946: Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised…
PriorityP419medium4.3CVSS 3.1
AVNACLPRNUIRSUCLINAN
EPSS
0.20%
10.0th percentile
Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 148.0.7778.96 | 148.0.7778.96 | |
| chrome | >= 148.0.7778.96 < 148.0.7778.96 | 148.0.7778.96 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
vendor_redhat4.3MEDIUM
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VulDB
Google Chrome up to 147.0.7727.138 on Linux WebUI sandbox (WID-SEC-2026-1394)
vuldb·2026-05-14·CVSS 4.3
CVE-2026-7946 [MEDIUM] Google Chrome up to 147.0.7727.138 on Linux WebUI sandbox (WID-SEC-2026-1394)
A vulnerability was found in Google Chrome on Linux and classified as critical. This issue affects some unknown processing of the component WebUI. The manipulation results in sandbox issue.
This vulnerability is identified as CVE-2026-7946. The attack can be executed remotely. There is not any exploit available.
It is suggested to upgrade the affected component.
GHSA
GHSA-h6pc-jqvf-9hhc: Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148
ghsa_unreviewed·2026-05-06
CVE-2026-7946 [MEDIUM] GHSA-h6pc-jqvf-9hhc: Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148
Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-7946
vendor_chrome·2026-05-19·CVSS 4.3
CVE-2026-7946 [MEDIUM] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-7946
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-7946
Red Hat
chromium-browser: Insufficient policy enforcement in WebUI
vendor_redhat·2026-05-05·CVSS 4.3
CVE-2026-7946 [MEDIUM] CWE-653 chromium-browser: Insufficient policy enforcement in WebUI
chromium-browser: Insufficient policy enforcement in WebUI
An insufficient policy enforcement flaw was found in the WebUI component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=496016840
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-2026-7944
vendor_chrome·2026-05-05·CVSS 3.1
CVE-2026-7944 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-7944
Stable Channel Update for Desktop
CVE-2026-7944: Insufficient validation of untrusted input in Persistent Cache. Reported by Google on 2026-03-24 [N/A][ 495802788 ] Medium CVE-2026-7945: Insufficient validation of untrusted input in COOP
Reported by Google on 2026-03-24 [N/A][ 496016840 ] Medium CVE-2026-7946: Insufficient policy enforcement in WebUI
Severity: medium
No detection rules found.
No public exploits indexed.
Rapid7
Patch Tuesday - May 2026
blogs_rapid7·2026-05-13·CVSS 10.0
CVE-2026-41089 [CRITICAL] Patch Tuesday - May 2026
Microsoft is publishing 137 vulnerabilities on May 2026 Patch Tuesday . Microsoft is not aware of exploitation in the wild or public disclosure for any of these vulnerabilities. So far this month, Microsoft has provided patches to address 133 browser vulnerabilities, which are not included in the Patch Tuesday count above.
## Windows Netlogon: critical RCE
Anyone responsible for securing a domain controller should prioritize remediation of CVE-2026-41089 , which is a critical stack-based buffer overflow in Windows Netlogon with a CVSS v3 base score of 9.8. Exploitation leads to execution in the context of the Netlogon service, so that’s SYSTEM privileges on the domain controller. For most pentesters, that’s the point at which the customer report more or less writes itself. No privileges
Bugzilla
CVE-2026-7946 chromium-browser: Insufficient policy enforcement in WebUI
bugzilla·2026-05-06·CVSS 4.3
CVE-2026-7946 [MEDIUM] CVE-2026-7946 chromium-browser: Insufficient policy enforcement in WebUI
CVE-2026-7946 chromium-browser: Insufficient policy enforcement in WebUI
Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
2026-05-06
Published