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CVE-2020-17100

20
FAUCET Score

CVE-2020-17100 is a tampering vulnerability affecting Microsoft Visual Studio 2017 and 2019. It carries a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high integrity impact without affecting confidentiality or availability. While there is no known active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity landscape.

Impacted Technologies

VendorProductVersion(s)CPE
>= 15.0, <= 15.9CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
>= 16.0, <= 16.6CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
16.8CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:16.8:*:*:*:*:*:*:*

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
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 96th percentile among its peer group of 15,940 CVEs.

Social Chatter

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 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 2019 version 16.7 (includes 16.0 – 16.6)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.8
View patch

Vendor Advisories (1)

microsoft2020-Nov/CVE-2020-17100Important

Visual Studio Tampering Vulnerability

Nov 10, 2020

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2020-17100
PatchVendor Advisory