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CVE-2020-0900

16
FAUCET Score

CVE-2020-0900 is an elevation of privilege vulnerability affecting Microsoft Visual Studio 2015, 2017, and 2019, stemming from improper file operations within the Visual Studio Extension Installer Service. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and capable of high integrity impact without user interaction. While there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB) is unavailable, and community discussion and media coverage are minimal, though it was mentioned in a BleepingComputer article regarding Microsoft's April 2020 Patch Tuesday.

Impacted Technologies

VendorProductVersion(s)CPE
update_3CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2015:update_3:*:*:*:*:*:*:*
15.9CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
16.0CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
16.4CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*
16.5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:16.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 96th percentile among its peer group of 15,938 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.5
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.0
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2015 Update 3
View patch

Vendor Advisories (1)

microsoft2020-Apr/CVE-2020-0900Important

Visual Studio Extension Installer Service Elevation of Privilege Vulnerability

Apr 14, 2020

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2020-0900
PatchVendor Advisory