CVE-2025-55240: microsoft microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8) Improper Access Control
CVSS: 7.3v3.1HighAnalyzed
Published 14-10-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-55240 is a high (CVSS 7.3) Improper Access Control vulnerability in microsoft microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8). EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.4% of scored vulnerabilities.
CVSS score
7.3/10
010
High · v3.1 (CVE.org)EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-10-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.37% on 19-09-2026
19-09-202619-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft8 products
- microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8)≥ 15.9.0, < 15.9.77
- microsoft visual studio 2019 version 16.11 (includes 16.0 - 16.10)≥ 16.11.0, < 16.11.52
- microsoft visual studio 2022 version 17.10≥ 17.10.0, < 17.10.20
- microsoft visual studio 2022 version 17.12≥ 17.12.0, < 17.12.13
- microsoft visual studio 2022 version 17.14≥ 17.14.0, < 17.14.17
1 vendor · 8 products