CISA KEV · Known exploitedHigh

CVE-2025-6558

Google Chromium

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)

CVSS
8.8
EPSS
9.19%
94.8% percentile
CISA KEV
Listed
Published
2025.07.16
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability9.19%
Technical severityCVSS 8.8

Vulnerability overview

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)

Affected product and versions

Product
Google Chromium
Affected versions
138.0.7204.157, < 138.0.7204.157, 11.0, < 18.6, < 15.6, < 2.6, < 11.6, < 2.48.0
Fixed versions
138.0.7204.157, 18.6, 15.6, 2.6, 11.6, 2.48.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Due date: 2025.08.12
  1. 1
    Identify

    Confirm that Google Chromium and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-20
KEV added
2025.07.22
Ransomware use
미확인
CVE-2025-6558 — Google Chromium | SECUFOCUS NOW