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CVE WatchAug 10, 2026

CVE-2021-34478

Microsoft Office Remote Code Execution Vulnerability

CVSS

7.8

High

EPSS

51.2%

p99

KEV

—

Exploit Today

30

0-100

Published: Aug 12, 2021 · Last modified: Aug 10, 2026

EPSS · 30d
51.2%EPSS · 30 days54.4%
2026-08-022026-08-30
Technical description

Microsoft Office Remote Code Execution Vulnerability

Official references
Related CVEs

No related CVEs by CWE or product.