CVE-2025-55247
CVE-2025-55247 is a high-severity vulnerability in Microsoft .net 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-59.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-34427
- Weakness: CWE-59
- Affected product: Microsoft .net
- Published:
- Last modified:
Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
Frequently asked questions
- What is CVE-2025-55247?
- Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
- How severe is CVE-2025-55247?
- CVE-2025-55247 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-2025-55247 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-55247?
- CVE-2025-55247 affects Microsoft .net. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-55247?
- 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-2025-55247 have an EU (EUVD) identifier?
- Yes. CVE-2025-55247 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34427.
- When was CVE-2025-55247 published?
- CVE-2025-55247 was published on 2025-10-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
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