What’s Vulnerable › Vulnerabilities

CVE-2026-91734

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-15 · updated 2026-09-17
• Weakness: CWE-863

Description

Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

Affected products

• Google Chrome: before 153.0.8010.47 — fixed in 153.0.8010.47

How to fix

Upgrade to a fixed version: Google Chrome 153.0.8010.47. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html
• https://issues.chromium.org/issues/516780835

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