5.5

CVE-2021-42277: microsoft microsoft visual studio 2015 update 3 Improper Privilege Management

CVSS: 5.5v3.1MediumModified
Published 10-11-2021Last modified 19-08-2026

Vulnerability summary

CVE-2021-42277 is a medium (CVSS 5.5) Improper Privilege Management vulnerability in microsoft microsoft visual studio 2015 update 3. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.87%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-11-2021
    PublishedVulnerability first disclosed.
  2. 19-08-2026
    Last modifiedVulnerability information updated.

Description

Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

+0.01 pp

From 0.86% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft25 products

1 vendor · 25 products

References

3 links