AUGUST 4, 2026
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Case File

CVE-2021-33793

CRITICAL · CVSS 9.8 EPSS 1.09%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-11 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Office.

CVE
CVE-2021-33793
Severity
CRITICAL
CVSS
9.8
EPSS
1.09%
Office

Original NVD Description

Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write because the Cross-Reference table is mishandled during Office document conversion.

Related CVEs

Other vulnerabilities affecting the same vendor(s)