CVE-2025-55240
CVE-2025-55240 is a high-severity vulnerability in Microsoft Visual Studio 2017 with a CVSS 3.x base score of 7.3. 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-284.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-34347
- Weakness: CWE-284
- Affected product: Microsoft Visual Studio 2017
- Published:
- Last modified:
Description
Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally.
Frequently asked questions
- What is CVE-2025-55240?
- Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally.
- How severe is CVE-2025-55240?
- CVE-2025-55240 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-55240 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-55240?
- CVE-2025-55240 primarily affects Microsoft Visual Studio 2017. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-55240?
- 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-2025-55240 have an EU (EUVD) identifier?
- Yes. CVE-2025-55240 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34347.
- When was CVE-2025-55240 published?
- CVE-2025-55240 was published on 2025-10-14 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
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