chromium-browser: chromium-browser: Policy bypass in MHTML
Published Jul 30, 2026
4.3
MEDIUMCVSS 3.1
EPSS 0.20%
Description
Policy bypass in MHTML in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted MHTML page. (Chromium security severity: Low)
Affected products
-
- Version 151.0.7922.72StatusaffectedConstraints<151.0.7922.72
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jul 30, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Jul–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.20% (0.00203) | 9.25th | v5 (v2026.06.15) |
| Jul 30, 2026 | 0.17% (0.00171) | 6.75th | v5 (v2026.06.15) |
References (6)
- https://access.redhat.com/security/cve/CVE-2026-17954 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2508843 Issue Tracking
- https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html Release NotesVendor Advisory
- https://issues.chromium.org/issues/517383492 Permissions Required
- https://nvd.nist.gov/vuln/detail/CVE-2026-17954
- https://www.cve.org/CVERecord?id=CVE-2026-17954
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2026-17954 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2508843 | Issue Tracking | |
| https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html | Release NotesVendor Advisory | |
| https://issues.chromium.org/issues/517383492 | Permissions Required | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-17954 | ||
| https://www.cve.org/CVERecord?id=CVE-2026-17954 |
Change history (0)
No recorded changes yet.