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Medium severity5.3NVD Advisory· Published Jul 16, 2021· Updated Aug 10, 2026

CVE-2021-34451

CVE-2021-34451

Description

Microsoft Office Online Server Spoofing Vulnerability

Affected products

2

Microsoft/Office Online Server2 versions
cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
- (no CPE)

Patches

Vulnerability mechanics

References

2

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34451nvdPatchVendor Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34451nvd

News mentions

0

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