CVE-2024-38200Office Information Disclosure
Microsoft Office Spoofing Vulnerability
Published Aug 13, 2024 · Updated Jul 10, 2025 · Also known as TR-24-1215
Key Facts
Patch immediately- CVE-2024-38200 is a critical-severity vulnerability (CVSS 9.1 v3.1) affecting 365 Apps (Microsoft), Office (Microsoft), Office Long Term Servicing Channel (Microsoft) and 4 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 20% probability of exploitation in the next 30 days.
- Fixed versions are available, including Microsoft 365 Apps for Enterprise https://aka.ms/OfficeSecurityReleases, Microsoft Office 2016 16.0.5461.1001, Microsoft Office 2019 https://aka.ms/OfficeSecurityReleases.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS (30-day exploit likelihood)
20%
Higher than 97.4% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
40/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
Microsoft Office Spoofing Vulnerability
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| 365 AppsMicrosoft | See advisory | n/a |
| OfficeMicrosoft | 2016, 2019 | n/a |
| Office Long Term Servicing ChannelMicrosoft | 2021 | n/a |
| Microsoft 365 Apps for Enterprise | >= 16.0.1 | https://aka.ms/OfficeSecurityReleases |
| Microsoft Office 2016 | >= 16.0.0 | 16.0.5461.1001 |
Patched Releases
Microsoft 365 Apps for Enterprise
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2016
16.0.5461.1001
Microsoft Office 2019
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021
https://aka.ms/OfficeSecurityReleases
Timeline
Publicly disclosed
Aug 13, 2024
Last updated
Jul 10, 2025
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- advisoryMicrosoft Office Spoofing Vulnerability
- advisorynvd.nist.gov · CVE-2024-38200
- advisoryUSOM advisory
- exploitExploitDB-52113
FAQ
Common Questions.
Microsoft Office Spoofing Vulnerability
Affected: 365 Apps (Microsoft); Office (Microsoft) versions 2016, 2019; Office Long Term Servicing Channel (Microsoft) versions 2021, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Microsoft 365 Apps for Enterprise https://aka.ms/OfficeSecurityReleases, Microsoft Office 2016 16.0.5461.1001, Microsoft Office 2019 https://aka.ms/OfficeSecurityReleases.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2024-38200 On Your Attack Surface?
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