CVE-2025-47957: microsoft 365_apps Use After Free
CVSS: 8.4v3.1HighAnalyzed
Published 10-06-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-47957 is a high (CVSS 8.4) Use After Free vulnerability in microsoft 365_apps. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.4/10
010
High · v3.1 (CVE.org)EPSS score
1.31%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database
Timeline
- 10-06-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.4HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.31%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.31% on 22-09-2026
22-09-202622-10-2026
EPSS score1.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMicrosoft Excel LTSC 2024 - Remote Code Execution (RCE)
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Microsoft5 products
- 365_appsna
- microsoft 365 apps for enterprise≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases
- microsoft office ltsc 2021≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases
- microsoft office ltsc 2024≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases
- office_long_term_servicing_channel2021 | 2024
1 vendor · 5 products
