CVE tracker / CVE-2025-49703
CVE-2025-49703
CVE-2025-49703 is the Microsoft Word Remote Code Execution Vulnerability. Microsoft rates it Critical, CVSS 7.8. It is not in CISA's Known Exploited Vulnerabilities catalog. Published July 8, 2025.
Risk summary
HighRemote Code Execution
7.8
CVSS v3 base
0.8%
EPSS: chance of exploitation in 30 days
High
Severity
Critical
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV
Microsoft describes it: “Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.”
How to fix it
Microsoft lists 14 affected products and the update that fixes each:
- KB5002741 · fixed build 16.0.10417.20027
Microsoft SharePoint Server 2019 - KB5002744 · fixed build 16.0.5508.1000
Microsoft SharePoint Enterprise Server 2016 - KB5002745 · fixed build 16.0.5508.1000
Microsoft Word 2016 (64-bit edition), Microsoft Word 2016 (32-bit edition) - Click to Run · fixed build https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2021 for 64-bit editions, Microsoft 365 Apps for Enterprise for 64-bit Systems, and 3 more - Release Notes · fixed build 16.99.25071321
Microsoft Office LTSC for Mac 2024, Microsoft Office LTSC for Mac 2021
What Microsoft changed
- July 8, 2025: Information published.
- July 15, 2025: Are the updates for Microsoft Office LTSC for Mac 2021 and 2024 currently available? Yes. As of July 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.
Details
- Weakness
- CWE-416: Use After Free
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- July 8, 2025
- Last revised
- July 15, 2025
Get told when this changes
Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.
References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.