CVE-2026-78952: High Out of bounds write in Crashpad

Published Aug 13, 2026
·
Updated

Chromium: CVE-2026-78952 Out of bounds write in Crashpad

Other sources

Out of bounds write in Crashpad in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

NVD

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

Brendan Dolan-Gavitt, XBOW

Affected Software

5 affected componentsFixes available
Google Google Chrome<152.0.7977.65
All of the following
Google Chrome<152.0.7977.65
Microsoft Windows
Microsoft Edge<152.0.4191.53
Microsoft Edge (Chromium-based)<152.0.4191.53
152.0.4191.53

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 152.0.4191.53
  2. Upgrade

    Upgrade Chromium/Google Chrome (Crashpad) to a version that resolves this vulnerability.

    Fixed in 152.0.7977.65
  3. Upgrade

    Upgrade Microsoft Edge (Chromium-based) to a version that resolves this vulnerability.

    Fixed in 152.0.7977.65

Event History

Aug 25, 2026
CVE Published
via MITRE·08:10 PM
Data Sourced
via MITRE·08:10 PM
DescriptionWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software
Aug 28, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
Sep 11, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which systems are affected?

The issue affects Google Chrome on Windows before version 152.0.7977.65. The provided information does not identify other operating systems as affected.

2

What must an attacker achieve to exploit this vulnerability?

An attacker must first compromise the renderer process. They can then use a crafted HTML page to trigger the out-of-bounds write and execute arbitrary code outside the Chrome sandbox.

3

What is the remediation?

Update Google Chrome on Windows to version 152.0.7977.65 or later.

Contact

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