CVE-2026-113317: Use after free in Accessibility

Q: Which systems are affected?

The issue affects Google Chrome on Mac versions earlier than 156.0.8078.47. The provided information does not identify impact on other operating systems or Chromium-based browsers.

Q: What does an attacker need to exploit this issue?

An attacker would need to cause a user to load a crafted HTML page remotely. Successful exploitation could potentially result in arbitrary code execution inside the Chrome sandbox.

Q: What version should be deployed to remediate the issue?

Update Google Chrome on Mac to version 156.0.8078.47 or later.

Published Aug 31, 2026

Updated

Chromium CVE-2026-113317: Memory corruption

Other sources

Memory corruption in Accessibility in Google Chrome on on Mac prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox 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

Use after free in Accessibility in Google Chrome on on Mac prior to 156.0.8078.47 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

Credit

Findingz

Affected Software

9 affected componentsFixes available

Microsoft Edge (Chromium-based)<156.0.4314.42

156.0.4314.42

All of the following

Google Chrome<156.0.8078.47

Apple macOS

Microsoft Edge<156.0.4314.42

156.0.4314.42

Google Chrome<156.0.8078.47

156.0.8078.47

debian/chromium<156.0.8078.47-1~deb12u1

156.0.8078.47-1~deb12u1

debian/chromium<156.0.8078.47-1~deb13u1

156.0.8078.47-1~deb13u1

debian/chromium<156.0.8078.47-1

156.0.8078.47-1

debian/chromium<=150.0.7871.100-1~deb12u1, <=150.0.7871.181-1~deb13u1

156.0.8078.79-1~deb12u1156.0.8078.79-1~deb13u1156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 156.0.4314.42
Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 156.0.8078.47
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1~deb12u1
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1~deb13u1
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.79-1~deb12u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1
Upgrade
Upgrade Google Chrome to a version that resolves this vulnerability.
Fixed in 156.0.8078.47
Upgrade
Upgrade Microsoft Edge (Chromium-based) to a version that resolves this vulnerability.
Patch Chromium CVE-2026-113317

Event History

Aug 31, 2026

CVE Published

12:00 AM

Data Sourced

12:00 AM

WeaknessAffected Software

Oct 20, 2026

CVE Published

via MITRE·09:01 PM

Data Sourced

via MITRE·09:01 PM

DescriptionWeakness

Data Sourced

via NVD·10:19 PM

DescriptionSeverityWeaknessAffected Software

Data Sourced

via OSV·10:19 PM

DescriptionSeverityAffected Software

Oct 23, 2026

Data Sourced

via Microsoft·02:37 AM

DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

Which systems are affected?

The issue affects Google Chrome on Mac versions earlier than 156.0.8078.47. The provided information does not identify impact on other operating systems or Chromium-based browsers.

What does an attacker need to exploit this issue?

An attacker would need to cause a user to load a crafted HTML page remotely. Successful exploitation could potentially result in arbitrary code execution inside the Chrome sandbox.

What version should be deployed to remediate the issue?

Update Google Chrome on Mac to version 156.0.8078.47 or later.

CVE-2026-113317: Use after free in Accessibility

Other sources

Credit

Affected Software

Remediation

Event History

Parent advisories

Peer vulnerabilities

Frequently Asked Questions

Which systems are affected?

What does an attacker need to exploit this issue?

What version should be deployed to remediate the issue?

Company

Resources

Contact