CVE-2025-27751

Name: CVE-2025-27751
Creator: NVD / NIST
Published: 2025-04-08T18:16:04.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.95%

Last modified Jun 17, 2026

CVE-2025-27751 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.. EPSS estimates a 1.95% chance of exploitation in the next 30 days.

Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.95%

77.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Microsoft	365 Apps	All versions
Microsoft	Excel	2016
Microsoft	Office	2019
Microsoft	Office Long Term Servicing Channel	2021
Microsoft	Office Long Term Servicing Channel	2024
Microsoft	Office Online Server	All versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27751Vendor Advisory

Timeline

Published: Apr 8, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27751?

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

How severe is CVE-2025-27751?

CVE-2025-27751 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.95% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27751?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-27751?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST