CVE-2020-0789
CVE-2020-0789 is a high-severity vulnerability in Microsoft Visual Studio 2019 with a CVSS 3.x base score of 7.1. 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 7.1)
- CVSS v2: 6.6
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-59
- Affected product: Microsoft Visual Studio 2019
- Published:
- Last modified:
Description
A denial of service vulnerability exists when the Visual Studio Extension Installer Service improperly handles hard links, aka 'Visual Studio Extension Installer Service Denial of Service Vulnerability'.
Frequently asked questions
- What is CVE-2020-0789?
- A denial of service vulnerability exists when the Visual Studio Extension Installer Service improperly handles hard links, aka 'Visual Studio Extension Installer Service Denial of Service Vulnerability'.
- How severe is CVE-2020-0789?
- CVE-2020-0789 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2020-0789 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-0789?
- CVE-2020-0789 affects Microsoft Visual Studio 2019. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-0789?
- 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.
- When was CVE-2020-0789 published?
- CVE-2020-0789 was published on 2020-03-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
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