CVE-2026-93381: Buffer Overflow
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)
Other sources
Chromium CVE-2026-93381: Buffer overflow in PDFium
— Microsoft
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
Affected Software
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 153.0.4234.48 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 153.0.8010.52 - Upgrade
Upgrade
Microsoft Edge (Chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.52
Event History
Frequently Asked Questions
Which systems are affected?
The issue affects Google Chrome on Windows before version 153.0.8010.52. It involves PDFium handling of a crafted PDF file.
What does an attacker need to exploit this issue?
An attacker needs to convince a user to interact with a crafted PDF file. Successful exploitation could potentially execute arbitrary code inside the Chrome sandbox.
Does this vulnerability allow code execution outside the sandbox?
The available information describes potential arbitrary code execution inside the sandbox only. It does not state that the flaw enables a sandbox escape or execution outside the sandbox.