CVE-2025-47176: Microsoft Outlook Remote Code Execution Vulnerability
Modified
Published 10-06-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-47176 is a high (CVSS 7.8) Path Traversal: '.../...//' vulnerability in microsoft 365_apps. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.75%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 10-06-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
'.../...//' in Microsoft Office Outlook allows an authorized attacker to execute code locally.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.73% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-35Path Traversal: '.../...//'The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Affected systems
Microsoft4 products
- 365_appsna
- microsoft 365 apps for enterprise≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases
- microsoft office ltsc 2024≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases
- office_long_term_servicing_channel2024
1 vendor · 4 products