What is CVE-2025-54908?

CVE-2025-54908 is a high-severity vulnerability in Microsoft 365 Apps For Enterprise, classified under Use After Free. CVSS score: 7.8/10. Published 2025-09-09.

How severe is CVE-2025-54908?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Microsoft 365 Apps For Enterprise

CVE-2025-54908

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

Vulnerability class: Use-After-Free

EPSS: 0.001 (27.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft 365 Apps For Enterprise — versions 16.0.1
Microsoft Office 2019 — versions 19.0.0
Microsoft Office Ltsc 2021 — versions 16.0.1
Microsoft Office Ltsc 2024 — versions 16.0.0
Microsoft Powerpoint 2016 — versions 16.0.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

Microsoft PowerPoint Remote Code Execution Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-54908?: CVE-2025-54908 is a high-severity vulnerability in Microsoft 365 Apps For Enterprise, classified under Use After Free. CVSS score: 7.8/10. Published 2025-09-09.
How severe is CVE-2025-54908?: High severity. CVSS v3 base score is 7.8 out of 10.