Description
Use after free in V8 in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)
Published: 2026-05-06
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6250-1 chromium security update
History

Sat, 09 May 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: Use after free in V8
Weaknesses CWE-825
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 07 May 2026 01:30:00 +0000

Type Values Removed Values Added
Title Use-after-Free in V8 Allows Arbitrary Code Execution via Malicious Chrome Extension

Wed, 06 May 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Wed, 06 May 2026 23:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 06 May 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Wed, 06 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 06 May 2026 20:00:00 +0000

Type Values Removed Values Added
Title Use-after-Free in V8 Allows Arbitrary Code Execution via Malicious Chrome Extension

Wed, 06 May 2026 18:30:00 +0000

Type Values Removed Values Added
Description Use after free in V8 in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)
Weaknesses CWE-416
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-07T03:56:23.189Z

Reserved: 2026-05-05T22:59:15.321Z

Link: CVE-2026-7940

cve-icon Vulnrichment

Updated: 2026-05-06T19:46:04.976Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-06T19:16:42.323

Modified: 2026-05-06T23:33:48.200

Link: CVE-2026-7940

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-05-05T00:00:00Z

Links: CVE-2026-7940 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-09T05:00:10Z

Weaknesses