DaystoPatch

GoogleExploited incident

Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

CVE-2026-11645High, CVSS 8.8In CISA's Known Exploited Vulnerabilities catalog since 9 Jun 2026

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

FixedFixed for every supported version under an hour after the first public report.

Response

Silence
0h
First public report to first vendor statementUnverified source
Exposure
0h
First public report to first fixUnverified source
Follow-through
<1h
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

    Unverified: quote not found in the archived copy

    Google advisory chrome-4002642496994494201/CVE-2026-11645ClaimedQuote not found in archive

    The Stable channel has been updated to 149.0.7827.102/.103 for Windows and Mac and 149.0.7827.102 for Linux, which will roll out over the coming days/weeks.

    Vendor advisory was the first public report.

    Recorded time
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    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Not found in the archived copy. Treat with caution.
    Snapshot
    sha256:7451c0a6b46a96a1…
    Used in metrics
    Yes
    Dispute this timestamp
    5 more sources for this moment
    Google advisory chrome-4002642496994494201/CVE-2026-11645ClaimedQuote verified8 Jun 2026, 20:39 UTC

    The Stable channel has been updated to 149.0.7827.102/.103 for Windows and Mac and 149.0.7827.102 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
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    Found in the archived copy
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    sha256:f9522d082b2b6b5d…
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    No, kept for the record
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    CVE.org record CVE-2026-11645ClaimedQuote verified8 Jun 2026, 23:27 UTC

    Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity:

    CVE record published.

    Recorded time
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    Origin
    Claimed. The date the source gives.
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    Found in the archived copy
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    sha256:ab15095ad75220a1…
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    No, kept for the record
    Dispute this timestamp
    CISA KEV (CVE-2026-11645)ClaimedQuote verified9 Jun 2026

    Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

    Added to CISA's KEV catalog on 2026-06-09.

    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
    Bluesky postClaimedQuote not checked yet9 Jun 2026, 02:18 UTC

    "Google is aware that an exploit for CVE-2026-11645 exists in the wild."

    Earliest third-party post we hold. An independent author on another platform posted within 48 hours. Used for unreviewed incidents only, never graded.

    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
    Hacker NewsClaimedQuote not checked yet10 Jun 2026, 14:29 UTC

    High severity Chrome CVE-2026-11645

    Earliest third-party post we hold. An independent author on another platform posted within 48 hours. Used for unreviewed incidents only, never graded.

    Source
    Hacker News hn
    Recorded time
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    To the minute
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    Claimed. The date the source gives.
    Quote check
    Not checked yet
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    No archived snapshot
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  2. Vendor statement

    at disclosureUnverified: quote not found in the archived copy

    Google advisory chrome-4002642496994494201/CVE-2026-11645ClaimedQuote not found in archive

    The Stable channel has been updated to 149.0.7827.102/.103 for Windows and Mac and 149.0.7827.102 for Linux, which will roll out over the coming days/weeks.

    From the advisory's revision history.

    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
    sha256:7451c0a6b46a96a1…
    Used in metrics
    Yes
    Dispute this timestamp
    2 more sources for this moment
    Google advisory chrome-4002642496994494201/CVE-2026-11645ClaimedQuote verified8 Jun 2026, 20:39 UTC

    The Stable channel has been updated to 149.0.7827.102/.103 for Windows and Mac and 149.0.7827.102 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:f9522d082b2b6b5d…
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    Google advisory chrome-7672484240470424303ClaimedQuote verified17 Jun 2026, 20:48 UTC

    The ChromeOS Stable channel is being updated to OS version 16667.47.0 (Browser version 149.0.7827.153 ) for most ChromeOS devices.

    From the advisory's revision history.

    Recorded time
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    To the minute
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    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:d0038d3060e3c4e4…
    Used in metrics
    No, kept for the record
    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-4002642496994494201/CVE-2026-11645ClaimedQuote not found in archive

    The Stable channel has been updated to 149.0.7827.102/.103 for Windows and Mac and 149.0.7827.102 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
    sha256:7451c0a6b46a96a1…
    Used in metrics
    Yes
    Dispute this timestamp
    2 more sources for this moment
    Google advisory chrome-4002642496994494201/CVE-2026-11645Inferred8 Jun 2026, 20:39 UTC

    The Stable channel has been updated to 149.0.7827.102/.103 for Windows and Mac and 149.0.7827.102 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:f9522d082b2b6b5d…
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    Google advisory chrome-7672484240470424303ClaimedQuote verified17 Jun 2026, 20:48 UTC

    The ChromeOS Stable channel is being updated to OS version 16667.47.0 (Browser version 149.0.7827.153 ) for most ChromeOS devices.

    Stable Channel Update for ChromeOS / ChromeOS Flex: 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
    Found in the archived copy
    Snapshot
    sha256:d0038d3060e3c4e4…
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  5. Fixed for all versions

    +<1hUnverified: derived by rule, not read from a source

    Google advisory chrome-4002642496994494201/CVE-2026-11645Inferred

    The Stable channel has been updated to 149.0.7827.102/.103 for Windows and Mac and 149.0.7827.102 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:f9522d082b2b6b5d…
    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 V8
  • Chrome

Related

Google report card