VulnerabilityModified

CVE-2021-34485

.NET Core and Visual Studio Information Disclosure Vulnerability

MEDIUM 5.0EPSS 2.07%

Does this matter?

Lower severity and a low EPSS score (2.07%). Track it; it rarely justifies an emergency change on its own.

Description

.NET Core and Visual Studio Information Disclosure Vulnerability

CVSS 3.1: 5.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
EPSS: 2.07% probability · 81th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-200
Affected: microsoft/.net · microsoft/.net core · microsoft/powershell core · microsoft/visual studio 2017 · microsoft/visual studio 2019
Source: secure@microsoft.com

EPSS trend

EPSS 2.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34485
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34485Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.