What’s Vulnerable › Vulnerabilities

CVE-2022-30171: Microsoft Office Information Disclosure Vulnerability

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-15 · updated 2026-06-17

Description

Microsoft Office Information Disclosure Vulnerability

Affected products

• Microsoft Office Online Server: all versions
• Microsoft Office Web Apps Server: 2013-sp1
• Microsoft SharePoint Server: 2013-sp1, 2016, 2019
• Microsoft Office Web Apps Server 2013 Service Pack 1: from 15.0.1 before 15.0.5459.1001 — fixed in 15.0.5459.1001
• Microsoft SharePoint Enterprise Server 2013 Service Pack 1: from 15.0.0 before 15.0.5459.1001 — fixed in 15.0.5459.1001
• Microsoft SharePoint Server Subscription Edition: from 16.0.0 before 16.0.14931.20418 — fixed in 16.0.14931.20418
• Microsoft Office Online Server: from 16.0.1 before 16.0.14931.20612 — fixed in 16.0.14931.20612
• Microsoft Sharepoint Enterprise Server 2016: from 16.0.0 before 16.0.5332.1001 — fixed in 16.0.5332.1001
• Microsoft SharePoint Server: from 16.0.0 before 16.0.10387.20008 — fixed in 16.0.10387.20008

How to fix

Upgrade to a fixed version: Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.5459.1001; Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0.5459.1001; Microsoft SharePoint Server Subscription Edition 16.0.14931.20418; Microsoft Office Online Server 16.0.14931.20612; Microsoft Sharepoint Enterprise Server 2016 16.0.5332.1001; Microsoft SharePoint Server 16.0.10387.20008. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30171
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30171

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