DaystoPatch

GoogleExploited incident

Google Chromium CSS Use-After-Free Vulnerability

CVE-2026-2441High, CVSS 8.8In CISA's Known Exploited Vulnerabilities catalog since 17 Feb 2026

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-3912797962910041172/CVE-2026-2441ClaimedQuote verified

    . This update includes 1 security fix. Please see the Chrome Security Page for more information. [TBD][ 483569511 ] High CVE-2026-2441: Use after free in CSS. Reported by Shaheen Fazim on 2026-02-11 We would also like to thank all security researchers that worked with us during the development

    The vendor's own disclosure.

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    sha256:8d7feb9d83b1e16c…
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    5 more sources for this moment
    CVE.org record CVE-2026-2441ClaimedQuote verified13 Feb 2026, 18:27 UTC

    Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

    CVE record published.

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    Bluesky postClaimedQuote not checked yet14 Feb 2026, 03:53 UTC

    Google is aware that an exploit for CVE-2026-2441 exists in the wild.

    Earliest third-party post we hold.

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    Bluesky post social
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    Mastodon postClaimedQuote not checked yet16 Feb 2026, 20:30 UTC

    📢 CVE-2026-2441 : faille RCE dans Google Chrome corrigée en urgence 📝 Selon The Cyber Express, une **vulnérabilité critique (CVE-2026-2441)** affectant **Google Chrome** permet

    Earliest third-party post we hold.

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    CISA KEV (CVE-2026-2441)ClaimedQuote verified17 Feb 2026

    Google Chromium CSS Use-After-Free Vulnerability

    Added to CISA's KEV catalog on 2026-02-17.

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    Hacker NewsClaimedQuote not checked yet18 Feb 2026, 16:28 UTC

    Zero-day CSS: CVE-2026-2441 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.

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    Hacker News hn
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  2. Vendor statement

    at disclosure

    Google advisory chrome-3912797962910041172/CVE-2026-2441ClaimedQuote verified

    . This update includes 1 security fix. Please see the Chrome Security Page for more information. [TBD][ 483569511 ] High CVE-2026-2441: Use after free in CSS. Reported by Shaheen Fazim on 2026-02-11 We would also like to thank all security researchers that worked with us during the development

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    Claimed. The date the source gives.
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    Found in the archived copy
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    sha256:8d7feb9d83b1e16c…
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    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-3912797962910041172/CVE-2026-2441ClaimedQuote not found in archive

    The Stable channel has been updated to 145.0.7632.75/76 for Windows/Mac and 145.0.7632.75 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)

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    Not found in the archived copy. Treat with caution.
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    sha256:419f1c9cd146499a…
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  5. Fixed for all versions

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

    Google advisory chrome-3912797962910041172/CVE-2026-2441Inferred

    . This update includes 1 security fix. Please see the Chrome Security Page for more information. [TBD][ 483569511 ] High CVE-2026-2441: Use after free in CSS. Reported by Shaheen Fazim on 2026-02-11 We would also like to thank all security researchers that worked with us during the development

    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.

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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