CVE-2026-3545: High Insufficient data validation in Navigation

Published Feb 24, 2026
·
Updated

Chromium: CVE-2026-3545 Insufficient data validation in Navigation

Other sources

Insufficient data validation in Navigation in Google Chrome prior to 145.0.7632.159 allowed a remote attacker to potentially perform a sandbox escape 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

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 Google Chrome to a version that resolves this vulnerability.

    Fixed in 145.0.7632.159

Event History

Feb 24, 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-2026-3545?

CVE-2026-3545 is classified as a high-severity vulnerability due to its potential for remote exploitation.

2

How do I fix CVE-2026-3545?

To fix CVE-2026-3545, update Google Chrome to version 145.0.7632.159 or later.

3

What type of vulnerability is CVE-2026-3545?

CVE-2026-3545 is an insufficient data validation vulnerability that could lead to a sandbox escape.

4

Which software versions are affected by CVE-2026-3545?

CVE-2026-3545 affects Google Chrome versions prior to 145.0.7632.159.

5

Can CVE-2026-3545 impact other browsers?

CVE-2026-3545 specifically impacts Google Chrome and related Chromium-based browsers, not other non-Chromium browsers.

Company

Resources

Contact

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