CVE-2025-62553

Dec. 9, 2025, 7:36 p.m.

7.8
High

Description

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

Product(s) Impacted

Vendor Product Versions
Microsoft
  • 365 Apps
  • Excel
  • Office
  • Office Long Term Servicing Channel
  • -
  • 2016
  • 2019
  • 2021, 2024

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a microsoft 365_apps - / / / enterprise / x64 /
a microsoft 365_apps - / / / enterprise / x86 /
a microsoft excel 2016 / / / / / x64 /
a microsoft excel 2016 / / / / / x86 /
a microsoft office 2019 / / / / / x64 /
a microsoft office 2019 / / / / / x86 /
a microsoft office_long_term_servicing_channel 2021 / / / / - x64 /
a microsoft office_long_term_servicing_channel 2021 / / / / - x86 /
a microsoft office_long_term_servicing_channel 2021 / / / / macos / /
a microsoft office_long_term_servicing_channel 2024 / / / / - x64 /
a microsoft office_long_term_servicing_channel 2024 / / / / - x86 /
a microsoft office_long_term_servicing_channel 2024 / / / / macos / /

CVSS Score

7.8 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: Dec. 9, 2025, 6:16 p.m.
Last Modified: Dec. 9, 2025, 7:36 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

secure@microsoft.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.