PT-2025-20999 · Microsoft · Office Excel

Li Shuang + 1 · Published 2025-05-13 · Updated 2025-07-22 · CVE-2025-30393

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Microsoft Office Excel (affected versions not specified)

Description: The issue is related to a use after free condition in Microsoft Office Excel, allowing an unauthorized attacker to execute code locally. This poses a threat to data and security.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-05594

CVE-2025-30393

Affected Products

Office Excel

References · 6

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30393 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-30393 · Security Note
• https://osv.dev/vulnerability/CVE-2025-30393 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-05594 · Security Note
• https://twitter.com/CVEnew/status/1922339822326501871 · Twitter Post
• https://twitter.com/ZeroPathLabs/status/1922473237453185250 · Twitter Post