CVE-2025-62564

Dec. 9, 2025, 9:27 p.m.

7.8
High

Description

Out-of-bounds read 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
  • Office Online Server
  • -
  • 2016
  • 2019
  • 2021, 2024
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

*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 / /
a microsoft office_online_server / / / / / / / /

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62564

Tags

CWE-125
secure@microsoft.com
2025-12-09
CVE-2025-62564

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, 9:27 p.m.

Status : Analyzed

CVE is currently being analyzed by NVD staff, this process results in association of reference link tags, CVSS scores, CWE association, and CPE applicability statements.

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.