CVE-2026-8012

chromium-browser: Inappropriate implementation in MHTML

Published May 6, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in MHTML in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6250-1 chromium security update
History
Type Values Removed Values Added
Title chromium-browser: Inappropriate implementation in MHTML
References
Metrics threat_severity

None

threat_severity

Low

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
Type Values Removed Values Added
Title MHTML Processing Vulnerability Enabling Arbitrary Script Injection in Google Chrome
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

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

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title MHTML Processing Vulnerability Enabling Arbitrary Script Injection in Google Chrome
Weaknesses CWE-79
Type Values Removed Values Added
Description Inappropriate implementation in MHTML in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Low)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
May 6, 2026, 9:46 PM
Reserved
May 5, 2026, 10:59 PM
Status
Analyzed
Published
May 6, 2026, 7:16 PM
Modified
Oct 26, 2026, 7:10 PM
Severity
Low
Public date
May 5, 2026, 12:00 AM