CVE-2025-6558: Google Chromium ANGLE and GPU Improper Input Validation Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Google Chromium contains an improper input validation vulnerability in ANGLE and GPU. This vulnerability could allow a remote attacker to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
CSIRTS triage
- What
- Google Chromium contains an improper input validation vulnerability that could allow a remote attacker to perform a sandbox escape via a crafted HTML page.
- Who is affected
- Users of web browsers that utilize Chromium, including Google Chrome, Microsoft Edge, and Opera.
- Urgency
- Immediate remediation is necessary as the vulnerability is actively exploited and rated critical.
- Action
- Update to the latest version of Chromium-based browsers.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-6558
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2025-6558Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 95% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-6558 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Google Chromium ANGLE
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCVE-2026-14425: Use after free in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to p…nvd · 2026-07-01
- mediumCVE-2026-14418: Uninitialized Use in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker t…nvd · 2026-07-01
- criticalCVE-2026-14398: Use after free in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to p…nvd · 2026-07-01
- criticalCVE-2026-14397: Out of bounds write in ANGLE in Google Chrome on Mac prior to 150.0.7871.46 allowed a remote a…nvd · 2026-07-01
- mediumCVE-2026-14396: Out of bounds read in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker …nvd · 2026-07-01
- criticalCVE-2026-14390: Use after free in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to p…nvd · 2026-07-01
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