CVE-2025-54910
📛 CVE Title
Microsoft Office Remote Code Execution Vulnerability
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- microsoft
- CVSS severity
- HIGH
- CVSS score
- 8.4 / 10
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C- Effective score
- 8.4 / 10 HIGH source: CNA overview
- MSRC score
- 8.4 / 10 HIGH MS rating: Critical · Remote Code Execution
- CWE(s)
-
CWE-122 - Reserved
- 2025-07-31
- Published
- 2025-09-09 00:00 UTC
- Last updated
- 2025-09-16 00:00 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/54xxx/CVE-2025-54910.json
- Linked Threat
- CVE-2025-54910 — Microsoft Office Remote Code Execution Vulnerability
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2025-09-09 17:16:02 UTC
- NVD last modified
- 2026-06-17 09:40:55 UTC
- NVD CVSS v3.1
- 8.4 / 10 HIGH source: secure@microsoft.com
- NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.5 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0053 (probability of exploitation in next 30 days)
- EPSS percentile
- 42.14% vs all CVEs — higher = more likely to be exploited, as of 2026-08-06
NVD / KEV / EPSS data refreshed 2026-08-06 23:04 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2025-27301 - Assigner
- microsoft
- Published
- Sep 9, 2025, 5:01:28 PM
- Updated
- Feb 26, 2026, 5:48:51 PM
- EUVD base score (CVSS 3.1)
-
8.4 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - EUVD-reported EPSS
- 0.1500
- Vendors
- Microsoft
- Products
-
Microsoft Office 2019 (19.0.0 <https://aka.ms/OfficeSecurityReleases)Microsoft Office LTSC 2021 (16.0.1 <https://aka.ms/OfficeSecurityReleases)Microsoft Office LTSC for Mac 2021 (16.0.1 <16.101.25091314)Microsoft Office LTSC for Mac 2024 (N/A)Microsoft Office LTSC for Mac 2024 (16.0.0 <16.101.25091314)Microsoft Office LTSC 2024 (16.0.0 <https://aka.ms/OfficeSecurityReleases)Microsoft 365 Apps for Enterprise (16.0.1 <https://aka.ms/OfficeSecurityReleases)Microsoft Office 2016 (16.0.0 <16.0.5517.1000)Microsoft Office LTSC for Mac 2021 (N/A)
- Aliases
-
GHSA-j5m2-ghfj-m874
ENISA description: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
EUVD references (1)
Microsoft Security Response Center MSRC
Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-09-24 03:03 UTC (source: CVRF).
- MS severity
- Critical
- Impact
- Remote Code Execution
- MS CVSS base score
- 8.4 / 10 (temporal 7.3)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Exploit assessment
- Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
- Release
- 2025-Sep
Microsoft remediations / KB articles (5)
- Click to Run — Vendor Fix / Security Update (fixed build https://aka.ms/OfficeSecurityReleases)
- https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates — None Available / Click to Run
- Release Notes — Vendor Fix / Security Update (fixed build 16.101.25091314)
- 5002781 — Vendor Fix / Security Update (fixed build 16.0.5517.1000)
- https://support.microsoft.com/help/5002781 — None Available / 5002781
Microsoft FAQ (5)
Are the updates for the Microsoft Office LTSC for Mac currently available?
The security update for Microsoft Office LTSC for Mac 2021 and 2024 are not immediately available. The updates will be released as soon as possible, and when they are available, customers will be notified via a revision to this CVE information.
Are the updates for Microsoft Office LTSC for Mac 2021 and 2024 currently available?
Yes. As of September 15, 2025, the security update for Microsoft Office LTSC for Mac 2021 and 2024 are available. Customers running Microsoft Office LTSC for Mac 2021 and 2024 should ensure the update is installed to be protected from this vulnerability.
Is the Preview Pane an attack vector for this vulnerability?
Yes, the Preview Pane is an attack vector.
According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?
The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.
How could an attacker exploit the vulnerability?
An attacker who successfully exploits this vulnerability could achieve remote code execution without user interaction.
Affected products (7)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
16.0.1 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Microsoft Office 2016 |
16.0.0 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Microsoft Office 2019 |
19.0.0 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Microsoft Office LTSC 2021 |
16.0.1 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Microsoft Office LTSC 2024 |
16.0.0 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Microsoft Office LTSC for Mac 2021 |
16.0.1 (affected)
|
— |
| Microsoft | Microsoft Office LTSC for Mac 2024 |
16.0.0 (affected)
|
— |
Affected products — CPE 2.3 (12) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:*cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x64:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x86:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x86:*cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:macos:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
- Microsoft Office Remote Code Execution Vulnerability vendor-advisorypatch
Web references (8)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- 5002781 msrc
- Release Notes msrc
- MSRC update guide: CVE-2025-54910 msrc
- None Available msrc
- None Available msrc
- https://attackerkb.com/topics/CVE-2025-54910 rapid7:attackerkb.com
- https://www.cve.org/CVERecord?id=CVE-2025-54910 rapid7:www.cve.org
- http://cwe.mitre.org/data/definitions/122.html rapid7:cwe.mitre.org
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54910 secure@microsoft.com Vendor Advisory
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 06:57 UTC -
web:msrc-ppe.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-09-24 06:57 UTC -
web:learn.microsoft.com
Learn how to configure exploit protection in Windows by using Microsoft Intune, MDM, Configuration Manager, Group Policy, PowerShell, or the Windows Security app.
2026-09-24 06:57 UTC -
web:www.cvefind.com
CVE Find is a real-time vulnerability database indexing 396 904 security flaws ( CVE ) from MITRE, NVD, CISA KEV, CWE and CAPEC. 3014 new CVEs were published in the last 7 days. Data aggregated from: MITRE Corporation ( CVE , CWE, CAPEC), National Vulnerability Database - NIST (NVD), CISA Known Exploited Vulnerabilities (KEV), FIRST (EPSS).
2026-09-24 06:57 UTC -
web:www.microsoft.com
These Knowledge Base articles accompany all security updates and advisories, and include caveats or known issues with security updates. Additionally, support engineers document common concerns from customers in these KB articles. These Knowledge Base articles are published the Security Update Guide with each release on Patch Tuesday.
2026-09-24 06:57 UTC -
web:www.microsoft.com
Help protect your computing environment by keeping up to date on Microsoft technical security notifications. Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed. You can choose the type of ...
2026-09-24 06:57 UTC -
web:learn.microsoft.com
Learning path Learn how Microsoft supports secure software development as part of a cybersecurity solution - Training Secure software development means integrating security into each phase of your development lifecycle, from requirements analysis to maintenance. Microsoft provides many services that can help you develop more secure code and deploy a more secure application in the cloud. This ...
2026-09-24 06:57 UTC -
web:catalog.update.microsoft.com
Welcome to the Microsoft Update Catalog site. We want your feedback! Visit our newsgroup or send us an email to provide us with your thoughts and suggestions. To get started using the site, enter in your search terms in the Search box above or visit our FAQ for search tips. |Newsgroup|Send us your feedback
2026-09-24 06:57 UTC -
web:www.computerworld.com
Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...
2026-05-22 14:34 UTC -
web:www.tenable.com
Key takeaways: Microsoft's 2025 Patch Tuesday releases addressed 1,130 CVEs . This is the second year in a row where the CVE count was over 1,000. Elevation of Privilege vulnerabilities accounted for 38.3% of all Patch Tuesday vulnerabilities in 2025 , followed by Remote Code Execution flaws at 30.8%. 41 zero-day vulnerabilities were addressed across all Patch Tuesday releases in 2025 , including ...
2026-05-22 14:34 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-22 14:34 UTC -
web:cvefeed.io
The following products are affected by CVE-2025-54910 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.
2026-05-22 14:34 UTC -
web:cybersecsentinel.com
For most people, the fix happens automatically through routine Windows Updates. If you patch every month, you're already protected. The bigger risk lies with systems that don't get updated — either due to manual patch management delays or environments that intentionally defer updates. To mitigate: Install the September 2025 updates ...
2026-05-22 14:34 UTC -
web:cybersecuritynews.com
Microsoft released its final Patch Tuesday updates of 2025 on December 9, addressing 56 security vulnerabilities across Windows, Office, Exchange Server, and other components.
2026-05-22 14:34 UTC -
web:krebsonsecurity.com
Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited vulnerabilities ...
2026-05-22 14:34 UTC -
web:nvd.nist.gov
Information Technology Laboratory National Vulnerability Database Vulnerabilities
2026-05-22 14:34 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 14:34 UTC -
web:threatprotect.qualys.com
EVALUATE Vendor-Suggested Mitigation with Policy Audit With Qualys Policy Audit's Out-of-the-Box Mitigation or Compensatory Controls, reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done now; these security controls are not recommended by any industry standards, such as CIS, DISA-STIG.
2026-05-22 14:34 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2025-54910.json.
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