What is CVE-2025-32717?

CVE-2025-32717 is a high-severity vulnerability in Microsoft 365_apps, classified under Heap-based Buffer Overflow. CVSS score: 8.4/10. Published 2025-06-11.

How severe is CVE-2025-32717?

High severity. CVSS v3 base score is 8.4 out of 10.

Is CVE-2025-32717 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Microsoft 365_apps

CVE-2025-32717

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (39.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft 365_apps
Microsoft 365 Apps For Enterprise — versions 16.0.1

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

tanjiti/sec_

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-32717?: CVE-2025-32717 is a high-severity vulnerability in Microsoft 365_apps, classified under Heap-based Buffer Overflow. CVSS score: 8.4/10. Published 2025-06-11.
How severe is CVE-2025-32717?: High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2025-32717 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.