CVE-2026-8022

chromium-browser: Inappropriate implementation in MHTML

Published May 6, 2026 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in MHTML in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted MHTML 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 MHTML Cross-Origin Data Leakage via Crafted Files chromium-browser: Inappropriate implementation in MHTML
Weaknesses CWE-346
References
Metrics threat_severity

None

threat_severity

Low

Type Values Removed Values Added
Title MHTML Cross-Origin Data Leakage via Crafted Files
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Weaknesses CWE-352
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 Cross-Origin Data Leak via Crafted MHTML Page in Google Chrome
Weaknesses CWE-200
Type Values Removed Values Added
Weaknesses CWE-1021
Metrics cvssV3_1

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

ssvc

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

Type Values Removed Values Added
Title Cross-Origin Data Leak via Crafted MHTML Page in Google Chrome
Weaknesses CWE-200
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Inappropriate implementation in MHTML in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted MHTML page. (Chromium security severity: Low)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
May 6, 2026, 9:45 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