CVE-2022-41043

Authentication-token disclosure to local low-privileged users

Published Oct 11, 2022 · Updated Jan 2, 2025

Information disclosure in Microsoft Office for Mac before 16.66 allows local users to read authentication tokens and other sensitive data. Microsoft has not published the affected Office Suite component or the operation that exposes the data. Exploitation requires local low-privilege access; impact is limited to reading data, with no reported write or service-interruption capability.

CVSS severity3.3
Low
EPSS probability0.81%
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 for Mac before 16.66 allows local users to read authentication tokens and other sensitive data. Microsoft has not published the affected Office Suite component or the operation that exposes the data. Exploitation requires local low-privilege access; impact is limited to reading data, with no reported write or service-interruption capability.

The record

CVE
CVE-2022-41043
Published
Oct 11, 2022
Updated
Jan 2, 2025
Vendor
Microsoft
Product
Microsoft Office LTSC for Mac 2021
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 11, 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

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Is a vulnerable build present?

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

  1. Affected versionversion=16.0.1 <16.66.22100900

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Microsoft Office LTSC for Mac 2021version=16.0.1 <16.66.22100900
Microsoft · Microsoft Office 2019 for Macversion=16.0.0 <16.66.22100900

Published CVSS scores

3.3Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/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
Privilegesauthenticated
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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