CVE-2026-7991
published 2026-05-06CVE-2026-7991: Use after free in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code…
PriorityP351high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.22%
13.0th percentile
Use after free in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox 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
nvdv3.18.8HIGHCVSS: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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GHSA
GHSA-53xj-w97q-rxrf: Use after free in UI in Google Chrome prior to 148
ghsa_unreviewed·2026-05-06
CVE-2026-7991 [HIGH] CWE-416 GHSA-53xj-w97q-rxrf: Use after free in UI in Google Chrome prior to 148
Use after free in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
VulDB
Google Chrome up to 147.0.7727.138 UI use after free (ID 499065)
vuldb·2026-05-06·CVSS 8.8
CVE-2026-7991 [HIGH] Google Chrome up to 147.0.7727.138 UI use after free (ID 499065)
A vulnerability described as critical has been identified in Google Chrome. This affects an unknown part of the component UI. Executing a manipulation can lead to use after free.
This vulnerability is registered as CVE-2026-7991. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is recommended.
Red Hat
chromium-browser: Use after free in UI
vendor_redhat·2026-05-05·CVSS 8.8
CVE-2026-7991 [HIGH] CWE-825 chromium-browser: Use after free in UI
chromium-browser: Use after free in UI
An use after free flaw was found in the UI component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=499065126
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-2026-7991
vendor_chrome·2026-05-05·CVSS 8.8
CVE-2026-7991 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-7991
Stable Channel Update for Desktop
CVE-2026-7991: Use after free in UI. Reported by Google on 2026-04-02 [N/A][ 499067529 ] Medium CVE-2026-7992: Insufficient validation of untrusted input in UI
Reported by Google on 2026-04-02 [N/A][ 499099003 ] Medium CVE-2026-7993: Insufficient validation of untrusted input in Payments
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-2026-7991 chromium-browser: Use after free in UI
bugzilla·2026-05-06·CVSS 8.8
CVE-2026-7991 [HIGH] CVE-2026-7991 chromium-browser: Use after free in UI
CVE-2026-7991 chromium-browser: Use after free in UI
Use after free in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
2026-05-06
Published