Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Conclusion & alert: CVE-2025-6558 is rated Critical Active Threat (98.4/100): CVSS High severity, with high exploitation likelihood (EPSS 9.52%, 95th percentile). Core evidence: CISA KEV confirms active exploitation (added 2025-07-22) affecting Google / Chromium. a weakness (CWE-20) Unauthenticated remote administrative access may be possible. EPSS rose +9.20% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Google Chromium ANGLE and GPU Improper Input Validation Vulnerability · CISA KEV detail
: 2025-07-22
: 2025-08-12
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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 | 2026-06-15 | 0.33% | 9.52% | +9.20% |
| 2 | 2026-05-11 | 0.17% | 0.33% | +0.16% |
| 3 | 2026-03-31 | — | 0.17% | — |
Full EPSS history (19 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-2025-6558: 1 source package rows (qt6-qtwebengine); 2 state rows across 2 repos (3.22-community, edge-community); fixed 2, open 0. | https://security.alpinelinux.org/vuln/CVE-2025-6558 |
debian
|
end-of-life | CVE-2025-6558 end-of-life priority: Debian including 3 source packages (chromium, webkit2gtk, wpewebkit), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 11, open 4. | https://security-tracker.debian.org/tracker/CVE-2025-6558 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2025-6558 |
suse
|
medium | CVE-2025-6558 severity moderate: SUSE including 101 source package names (WebKitGTK-4.0-lang-2.48.5-150400.4.122.1, WebKitGTK-4.0-lang-2.48.5-150600.12.43.1, …), 382 product×package rows across 33 product lines (SUSE Enterprise Storage 7.1, SUSE Liberty Linux 8, … (33 product lines)): Fixed 382. | https://www.suse.com/security/cve/CVE-2025-6558/ |
ubuntu
|
high | CVE-2025-6558 high priority: Ubuntu including 6 source packages (chromium-browser, qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 41 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): ignored 14, DNE 13, released 7, not-affected 4, needs-triage 3. | https://ubuntu.com/security/CVE-2025-6558 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| chrome | < 138.0.7204.157 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| apple | safari | < 18.6 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | ipados | < 18.6 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 18.6 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | < 15.6 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | visionos | < 2.6 | cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* |
| apple | watchos | < 11.6 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| wpewebkit | wpe_webkit | < 2.48.0 | cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:* |
| webkitgtk | webkitgtk | < 2.48.0 | cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.html | Release Notes |
| https://issues.chromium.org/issues/427162086 | Issue Tracking Permissions Required |
| http://seclists.org/fulldisclosure/2025/Aug/0 | Third Party Advisory |
| http://seclists.org/fulldisclosure/2025/Jul/30 | Third Party Advisory |
| http://seclists.org/fulldisclosure/2025/Jul/32 | Third Party Advisory |
| http://seclists.org/fulldisclosure/2025/Jul/35 | Third Party Advisory |
| http://seclists.org/fulldisclosure/2025/Jul/37 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2025/08/02/1 | Mailing List |
| https://lists.debian.org/debian-lts-announce/2025/08/msg00015.html | Mailing List Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6558 | US Government Resource |