What is CVE-2025-6558?

CVE-2025-6558 is a high-severity vulnerability in Apple Ipados, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2025-07-15.

How severe is CVE-2025-6558?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-6558 known to be exploited?

Yes. CVE-2025-6558 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-22), indicating it is being actively exploited. 10 public proof-of-concept repositories are indexed.

Improper input validation in Apple Ipados

CVE-2025-6558

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)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2025-07-15 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.109 (95.8th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.096 · newest: 0.109 · change: +0.013

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-07-22. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-08-12.

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.

Public proof-of-concept exploits

References

chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.html (Release Notes)
issues.chromium.org/issues/427162086 (Permissions Required, Issue Tracking)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2025-6558?: CVE-2025-6558 is a high-severity vulnerability in Apple Ipados, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2025-07-15.
How severe is CVE-2025-6558?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-6558 known to be exploited?: Yes. CVE-2025-6558 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-22), indicating it is being actively exploited. 10 public proof-of-concept repositories are indexed.