chromium-browser: Use after free in Base
Published May 28, 2026
9.6
CRITICALCVSS 3.1
EPSS 0.41%
Description
Use after free in Base in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
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
TotalDecision
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 2, 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 2, 2026 | 0.41% (0.00413) | 33.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.30% (0.00303) | 21.69th | v5 (v2026.06.15) |
| May 29, 2026 | 0.08% (0.00080) | 23.61th | v4 (v2025.03.14) |
References (6)
- https://access.redhat.com/security/cve/CVE-2026-9883 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2483064 Issue Tracking
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html Release Notes
- https://issues.chromium.org/issues/506477192 Permissions Required
- https://nvd.nist.gov/vuln/detail/CVE-2026-9883
- https://www.cve.org/CVERecord?id=CVE-2026-9883
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2026-9883 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2483064 | Issue Tracking | |
| https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html | Release Notes | |
| https://issues.chromium.org/issues/506477192 | Permissions Required | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-9883 | ||
| https://www.cve.org/CVERecord?id=CVE-2026-9883 |
Change history (0)
No recorded changes yet.