CVE-2026-8517: Object lifecycle issue in WebShare

Published Mar 29, 2026
·
Updated

Chromium: CVE-2026-8517 Object lifecycle issue in WebShare

Other sources

Object lifecycle issue in WebShare in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

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

Google

Affected Software

5 affected componentsFixes available
Google Chrome<148.0.7778.167
148.0.7778.167
Microsoft Edge (Chromium-based)
Microsoft Edge<148.0.3967.70
All of the following
Google Chrome<148.0.7778.168
Apple macOS

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 148.0.7778.167
  2. Upgrade

    Upgrade Google Chrome (Chromium on Mac) to a version that resolves this vulnerability.

    Fixed in 148.0.7778.168

Event History

Mar 29, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
May 14, 2026
CVE Published
via MITRE·07:52 PM
Data Sourced
via MITRE·07:52 PM
DescriptionWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeaknessAffected Software
May 16, 2026
Data Sourced
via Microsoft·12:20 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·12:20 AM
DescriptionAffected Software
Jun 29, 58424
Event
via FIRST·09:16 AM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-8517?

CVE-2026-8517 has a high severity rating of 8.8 on the CVSS scale.

2

How does CVE-2026-8517 impact users?

CVE-2026-8517 could allow a remote attacker to execute arbitrary code on a user's system through a crafted HTML page.

3

What versions of Google Chrome are affected by CVE-2026-8517?

CVE-2026-8517 affects Google Chrome on Mac prior to version 148.0.7778.168.

4

How can I fix CVE-2026-8517?

To fix CVE-2026-8517, update your Google Chrome or Microsoft Edge browsers to the latest version.

5

What type of vulnerability is CVE-2026-8517?

CVE-2026-8517 is classified as an object lifecycle issue within the WebShare component of the affected browsers.

Contact

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