CVE-2025-27751
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- Record
CVE-2025-27751- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2025-10135
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- Record
EUVD-2025-10135- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j233-wqrg-q9v9
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- Record
GHSA-j233-wqrg-q9v9- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- Record
CVE-2025-27751- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
- microsoft excel
- microsoft office
- microsoft 365 apps
- microsoft 365 apps for enterprise
- microsoft excel 2016
- microsoft office 2019
- microsoft office ltsc 2021
- microsoft office ltsc 2024
- microsoft office ltsc for mac 2021
- microsoft office ltsc for mac 2024
- microsoft office online server
- microsoft office long term servicing channel
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Excel Use After Free - Local Code Execution | 2025-06-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-27751 is a high vulnerability (CVSS 7.8) in Microsoft Excel, published April 8, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.53%, the 85th percentile. No source names a fixed version.