Insufficient validation of untrusted input in Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
Conclusion & alert: CVE-2026-5884 is rated Moderate Risk (47.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-10 | 0.05% | 0.15% | +0.10% |
| 2 | 2026-04-09 | — | 0.05% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2026-5884: 1 source package rows (qt6-qtwebengine); 1 state rows across 1 repos (edge-community); fixed 1, open 0. | https://security.alpinelinux.org/vuln/CVE-2026-5884 |
debian
|
end-of-life | CVE-2026-5884 end-of-life priority: Debian including 1 source packages (chromium), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2026-5884 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2026-5884 |
ubuntu
|
medium | CVE-2026-5884 medium priority: Ubuntu including 1 source packages (chromium-browser), 4 status rows across 4 suites (jammy, noble, questing, upstream): not-affected 3, released 1. | https://ubuntu.com/security/CVE-2026-5884 |
| URL | Tags |
|---|---|
| https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html | Release Notes Vendor Advisory |
| https://issues.chromium.org/issues/484547633 | Issue Tracking Permissions Required |