CVE-2022-30172
Published: 15 June 2022
Summary
CVE-2022-30172 is a medium-severity an unspecified weakness vulnerability in Microsoft Sharepoint Server. Its CVSS base score is 5.5 (Medium).
Operationally, ranked in the top 10.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-30172 is an information disclosure vulnerability affecting Microsoft Office. It carries a CVSS 3.1 score of 5.5 with the vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating that successful exploitation can expose sensitive data from the local system.
An attacker can leverage the flaw by supplying a malicious Office document that a user must open locally; once rendered, the vulnerability allows unauthorized disclosure of confidential information without requiring elevated privileges.
Microsoft security advisories published at msrc.microsoft.com and portal.msrc.microsoft.com provide official guidance, including available updates that address the issue in supported Office releases.
The associated EPSS score rose from lower values to a peak of 0.0699 on 2025-12-11 before receding to the current 0.0487, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-35380
Vulnerability details
Microsoft Office Information Disclosure Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.