CVE-2022-30159

Information disclosure via unspecified mechanism

Published Jun 15, 2022 · Updated Jan 2, 2025

Information disclosure in Microsoft Office products allows attackers to read protected content via a crafted document. The published record does not identify the vulnerable component or unsafe operation; Microsoft describes only an Office information-disclosure condition. Exploitation requires a user to open attacker-supplied content, and the documented impact is confidentiality loss without integrity or availability effects.

CVSS severity5.5
Medium
EPSS probability2.71%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Microsoft Office products allows attackers to read protected content via a crafted document. The published record does not identify the vulnerable component or unsafe operation; Microsoft describes only an Office information-disclosure condition. Exploitation requires a user to open attacker-supplied content, and the documented impact is confidentiality loss without integrity or availability effects.

The record

CVE
CVE-2022-30159
Published
Jun 15, 2022
Updated
Jan 2, 2025
Vendor
Microsoft
Product
Microsoft SharePoint Enterprise Server 2016
Classifications
Unavailable
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 15, 2022CVE publishedPublication date reported by the CVE source.
  2. Jan 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.0.0 <16.0.5332.1001

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft SharePoint Enterprise Server 2016version=16.0.0 <16.0.5332.1001
Microsoft · Microsoft SharePoint Enterprise Server 2013version=15.0.0 <15.0.5459.1001
Microsoft · Microsoft SharePoint Server 2019version=16.0.0 <16.0.10387.20008
Microsoft · Microsoft Office Online Serverversion=16.0.1 <16.0.14931.20612
Microsoft · Microsoft Office Web Apps Server 2013version=15.0.1 <15.0.5459.1001
Microsoft · Microsoft SharePoint Server Subscription Editionversion=16.0.0 <16.0.14931.20418

Published CVSS scores

5.5Microsoft CNACVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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