Microsoft Office Information Disclosure Vulnerability

published 2022-06-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-35379

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.8%; EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits: 0; none known

Patch / fix

fixed in 6 links 1

Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.5332.1001
Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0.5459.1001
Microsoft Microsoft SharePoint Server 2019 16.0.10387.20008
Microsoft Microsoft Office Online Server 16.0.14931.20612
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.5459.1001
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.14931.20418

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30171 advisory

Exploit prediction

2.81% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

Microsoft Microsoft SharePoint Enterprise Server 2016
Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft Microsoft SharePoint Server 2019
Microsoft Microsoft Office Online Server
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Microsoft SharePoint Server Subscription Edition

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2022-30171
patch, vendor-advisory
msrc.microsoft.com /update-guide/vulnerability/CVE-2022-30171
vendor-advisory

Sources

CVE List CVE-2022-30171
NVD CVE-2022-30171

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary