CVE-2025-30393

HIGH

Microsoft Office Excel - Use After Free

Title source: llm

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

Core 1

Core References

Vendor Advisory vendor-advisory patch

CVSS v3 7.8

EPSS 0.0074

EPSS Percentile 73.1%

Attack Vector LOCAL

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

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-416

Status published

Products (3)

microsoft/365_apps

microsoft/office_long_term_servicing_channel 2021 (2 CPE variants)

microsoft/office_long_term_servicing_channel 2024 (2 CPE variants)

Published May 13, 2025

Tracked Since Feb 18, 2026