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High severity7.8NVD Advisory· Published Aug 12, 2021· Updated Aug 10, 2026

CVE-2021-34478

CVE-2021-34478

Description

Microsoft Office Remote Code Execution Vulnerability

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Microsoft/365 Apps
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Microsoft/Office2 versions
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
- (no CPE)

Patches

Vulnerability mechanics

References

3

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34478nvdPatchVendor Advisory
www.zerodayinitiative.com/advisories/ZDI-21-1024/nvdThird Party AdvisoryVDB Entry
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34478nvd

News mentions

0

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