CVE-2026-3543: Inappropriate implementation in V8

Published Feb 18, 2026
·
Updated

Chromium: CVE-2026-3543 Inappropriate implementation in V8

Other sources

Inappropriate implementation in V8 in Google Chrome prior to 145.0.7632.159 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

— MITRE

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Credit

qymag1c

Affected Software

14 affected componentsFixes available
Google Chrome<145.0.7632.159
All of the following
Google Chrome<145.0.7632.159
Any of the following
Linux Linux kernel
Microsoft Windows
All of the following
Google Chrome<145.0.7632.160
Apple macOS
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<145.0.3800.97
Google Chrome<145.0.7632.159
145.0.7632.159
alpine/chromium<144.0.7559.132-r4
144.0.7559.132-r4
alpine/chromium<144.0.7559.132-r4
144.0.7559.132-r4
alpine/qt6-qtwebengine<6.10.1-r9
6.10.1-r9
alpine/qt6-qtwebengine<6.10.2-r6
6.10.2-r6
debian/chromium
150.0.7871.100-1~deb12u1156.0.8078.79-1~deb12u1150.0.7871.181-1~deb13u1156.0.8078.79-1~deb13u1156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 145.0.7632.159
  2. Upgrade

    Upgrade alpine/chromium to a version that resolves this vulnerability.

    Fixed in 144.0.7559.132-r4
  3. Upgrade

    Upgrade alpine/qt6-qtwebengine to a version that resolves this vulnerability.

    Fixed in 6.10.1-r9
  4. Upgrade

    Upgrade alpine/qt6-qtwebengine to a version that resolves this vulnerability.

    Fixed in 6.10.2-r6
  5. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.79-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1
  6. Upgrade

    Upgrade Chromium to a version that resolves this vulnerability.

    Fixed in 145.0.7632.159

Event History

Feb 18, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Mar 4, 2026
CVE Published
via MITRE·07:24 PM
Data Sourced
via MITRE·07:24 PM
DescriptionWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·08:16 PM
DescriptionSeverityAffected Software
Mar 7, 2026
Data Sourced
via Microsoft·05:23 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-3543?

CVE-2026-3543 has been classified as having a high severity due to its potential for allowing out of bounds memory access.

2

How do I fix CVE-2026-3543?

To fix CVE-2026-3543, ensure that you are using Google Chrome version 145.0.7632.159 or later.

3

What types of attacks can exploit CVE-2026-3543?

CVE-2026-3543 can potentially allow a remote attacker to exploit it via a crafted HTML page.

4

Which versions of Google Chrome are impacted by CVE-2026-3543?

CVE-2026-3543 affects all versions of Google Chrome prior to 145.0.7632.159.

5

Is there a workaround for CVE-2026-3543?

There are no known workarounds for CVE-2026-3543 other than upgrading to the patched version.

Company

Resources

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