Remote code execution in widely deployed Google Chrome via PDFium can compromise many endpoints; patching affects broad user base and enterprise security.
CVE-2026-93381
PDFium buffer overflow in Chrome allows remote code execution via crafted PDF.
Is CVE-2026-93381 being exploited?
Not confirmed. CVE-2026-93381 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-93381?
CVE-2026-93381 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-93381?
Yes. A fix has been recorded for CVE-2026-93381. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-93381 affect?
CVE-2026-93381 affects Google Chrome on Windows < 153.0.8010.52, Chromium-based apps using PDFium. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-93381?
Update Chrome to 153.0.8010.52+; block/unpack untrusted PDFs; user awareness
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution in Chrome sandbox via crafted PDF; attacker can execute arbitrary code with user-level privileges.
Immediate action required
- affected< 153.0.8010.52
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.