CVE-2021-34485

.NET Core and Visual Studio Information Disclosure Vulnerability

CVSS 3.1

5.0CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

EPSS

2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-25)

CWE

CWE-200

Published

2021-08-12

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:.net
• microsoft:.net_core
• microsoft:powershell_core
• microsoft:visual_studio_2017
• microsoft:visual_studio_2019

References

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

Check your stackJSON