CVE-2025-48817: microsoft remote_desktop_client Relative Path Traversal
CVSS: 8.8v3.1HighAnalyzed
Published 08-07-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-48817 is a high (CVSS 8.8) Relative Path Traversal vulnerability in microsoft remote_desktop_client. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.1% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.14%
0%100%
Low · +0.18 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-07-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.14%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.18 pp
From 0.96% on 19-09-2026
19-09-202619-10-2026
EPSS score1.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-23Relative Path TraversalThe product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.
- CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Affected systems
Microsoft39 products
- remote_desktop_client< 1.2.6353
- remote desktop client for windows desktop≥ 1.2.0.0, < 1.2.6353.0
- windows_10_1507< 10.0.10240.21073
- windows_10_1607< 10.0.14393.8246
- windows_10_1809< 10.0.17763.7558
1 vendor · 39 products
