Synced 30 Sept 2026 20:54 UTC Account
← All products

CVE-2021-31171

MEDIUM severity · CVSS 4.1
4.1CVSS MEDIUM

Summary

Microsoft SharePoint Information Disclosure Vulnerability

Impact & exploitability

Attack vectorLocal
Attack complexityHigh
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31171 ↗