DaystoPatch

GoogleExploited incident

Google Chromium ANGLE and GPU Improper Input Validation Vulnerability

CVE-2025-6558High, CVSS 8.8In CISA's Known Exploited Vulnerabilities catalog since 22 Jul 2025

Automated timeline. Not yet checked by a researcher, so it doesn't count toward any grade.

FixedFixed for every supported version on the day it became public.

Response

Silence
0h
First public report to first vendor statement
Exposure
0h
First public report to first fixUnverified source
Follow-through
0h
First public report to a fix for every supported versionUnverified source
  • Vendor silent
  • Vendor statement, no fix
  • Fixed for some versions
  • Fixed when disclosed
  • Date only, no time of day

Timeline and evidence

Open a moment to see its source and archived quote.

  1. First public report

    Google advisory chrome-3663520219785149698/CVE-2025-6558ClaimedQuote verified

    The Stable channel has been updated to 138.0.7204.157/.158 for Windows, Mac and 138.0.7204.157 for Linux which will roll out over the coming days/weeks. A full list of changes in this build is

    The vendor's own disclosure.

    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:5d58a69dee1f026f…
    Used in metrics
    Yes
    Dispute this timestamp
    3 more sources for this moment
    CVE.org record CVE-2025-6558ClaimedQuote verified15 Jul 2025, 18:12 UTC

    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.

    CVE record published.

    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:001db3c5ab8bc4a5…
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    Bluesky postClaimedQuote not checked yet16 Jul 2025, 02:00 UTC

    ゼロデイか > "Google is aware that an exploit for CVE-2025-6558 exists in the wild."

    Earliest third-party post we hold.

    Source
    Bluesky post social
    Recorded time
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    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Not checked yet
    Snapshot
    No archived snapshot
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    CISA KEV (CVE-2025-6558)ClaimedQuote verified22 Jul 2025

    Google Chromium ANGLE and GPU Improper Input Validation Vulnerability

    Added to CISA's KEV catalog on 2025-07-22.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:ef8fffede5c47200…
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  2. Vendor statement

    at disclosure

    Google advisory chrome-3663520219785149698/CVE-2025-6558ClaimedQuote verified

    The Stable channel has been updated to 138.0.7204.157/.158 for Windows, Mac and 138.0.7204.157 for Linux which will roll out over the coming days/weeks. A full list of changes in this build is

    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:5d58a69dee1f026f…
    Used in metrics
    Yes
    Dispute this timestamp

  3. First workaround

    No official mitigation found yet.

  4. First fix

    at disclosureUnverified: quote not found in the archived copy

    Google advisory chrome-3663520219785149698/CVE-2025-6558ClaimedQuote not found in archive

    The Stable channel has been updated to 138.0.7204.157/.158 for Windows, Mac and 138.0.7204.157 for Linux which will roll out over the coming days/weeks.

    Stable Channel Update for Desktop: build fixing the listed CVEs (one candidate per channel/platform)

    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Not found in the archived copy. Treat with caution.
    Snapshot
    sha256:3307991d28144085…
    Used in metrics
    Yes
    Dispute this timestamp

  5. Fixed for all versions

    at disclosureUnverified: derived by rule, not read from a source

    Google advisory chrome-3663520219785149698/CVE-2025-6558Inferred

    The Stable channel has been updated to 138.0.7204.157/.158 for Windows, Mac and 138.0.7204.157 for Linux which will roll out over the coming days/weeks. A full list of changes in this build is

    Patch-day rule: Google ships fixes in the advisory that discloses a bug, and this advisory states that fixed versions exist. So the vendor statement, first fix and fix for all versions all take the advisory's publication time.

    Recorded time
    Precision
    To the minute
    Origin
    Inferred. Derived by a documented rule.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:5d58a69dee1f026f…
    Used in metrics
    Yes
    Dispute this timestamp

Send this to your boss

No brief for this incident yet. We write one for every open incident and every critical bug exploited before a fix.

Affected products

  • Chromium
  • Chrome

Related

Google report card