CVE-2025-32717
CVE-2025-32717 is a high-severity vulnerability in Microsoft 365 Apps with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-18063
- Weakness: CWE-122
- Affected product: Microsoft 365 Apps
- Published:
- Last modified:
Description
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Frequently asked questions
- What is CVE-2025-32717?
- Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- How severe is CVE-2025-32717?
- CVE-2025-32717 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-32717 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-32717?
- CVE-2025-32717 affects Microsoft 365 Apps. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-32717?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-32717 have an EU (EUVD) identifier?
- Yes. CVE-2025-32717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18063.
- When was CVE-2025-32717 published?
- CVE-2025-32717 was published on 2025-06-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
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