chromium-browser: Inappropriate implementation in Media
Published May 28, 2026
9.3
CRITICALCVSS 3.1
EPSS 0.15%
Description
Inappropriate implementation in Media in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to bypass same origin policy via a crafted video file. (Chromium security severity: High)
Affected products
-
- Version 148.0.7778.216StatusaffectedConstraints<148.0.7778.216
- 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:L/A:L
1 other source (Red Hat) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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 May 29, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
May-Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.15% (0.00152) | 3.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.11% (0.00107) | 1.36th | v5 (v2026.06.15) |
| May 29, 2026 | 0.02% (0.00016) | 3.70th | v4 (v2025.03.14) |
References (6)
- https://access.redhat.com/security/cve/CVE-2026-9989 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2483079 Issue Tracking
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html Vendor Advisory
- https://issues.chromium.org/issues/513054053 Permissions Required
- https://nvd.nist.gov/vuln/detail/CVE-2026-9989
- https://www.cve.org/CVERecord?id=CVE-2026-9989
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2026-9989 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2483079 | Issue Tracking | |
| https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html | Vendor Advisory | |
| https://issues.chromium.org/issues/513054053 | Permissions Required | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-9989 | ||
| https://www.cve.org/CVERecord?id=CVE-2026-9989 |
Change history (0)
No recorded changes yet.