How severe is CVE-2020-0900?

CVE-2020-0900 has a CVSS 3.x base score of 5.5, rated medium 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 none.

Is CVE-2020-0900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0900?

CVE-2020-0900 primarily affects Microsoft Visual Studio 2015. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0900?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-0900 published?

CVE-2020-0900 was published on 2020-04-15 and last updated on 2026-06-17.

CVE-2020-0900

CVE-2020-0900 is a medium-severity vulnerability in Microsoft Visual Studio 2015 with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 3.6
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Visual Studio 2015
Published: 2020-04-15
Last modified: 2026-06-17

Description

An elevation of privilege vulnerability exists when the Visual Studio Extension Installer Service improperly handles file operations, aka 'Visual Studio Extension Installer Service Elevation of Privilege Vulnerability'.

Frequently asked questions

What is CVE-2020-0900?: An elevation of privilege vulnerability exists when the Visual Studio Extension Installer Service improperly handles file operations, aka 'Visual Studio Extension Installer Service Elevation of Privilege Vulnerability'.
How severe is CVE-2020-0900?: CVE-2020-0900 has a CVSS 3.x base score of 5.5, rated medium 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 none.
Is CVE-2020-0900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0900?: CVE-2020-0900 primarily affects Microsoft Visual Studio 2015. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0900?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-0900 published?: CVE-2020-0900 was published on 2020-04-15 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0900

Affected products (5)

cpe:2.3:a:microsoft:visual_studio_2015:update_3:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.5.0:*:*:*:*:*:*:*

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