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CVE-2026-93381

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-09-21
• Weakness: CWE-122

Description

Buffer overflow in PDFium in Google Chrome on on Windows prior to 153.0.8010.52 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code inside the sandbox via a crafted PDF file. (Chromium security severity: High)

Affected products

• Google Chrome: before 153.0.8010.52 — fixed in 153.0.8010.52

How to fix

Upgrade to a fixed version: Google Chrome 153.0.8010.52. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html
• https://issues.chromium.org/issues/556853443

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