Medium 5.7Published Oct 12, 2021

CVE-2021-41355.NET Core and Visual Studio Information Disclosure Vulnerability

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects microsoft .net and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.NET Core and Visual Studio Information Disclosure Vulnerability

CVSS: 5.7 MEDIUM (v3.1, NVD)CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

microsoft .net microsoft:.net	5.0	NVD
microsoft powershell microsoft:powershell	from 7.1 before 7.1.5	NVD
microsoft visual_studio_2019 microsoft:visual_studio_2019	from 16.0 through 16.11	NVD

References

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355	patch, vendor-advisory
https://www.oracle.com/security-alerts/cpujan2022.html	not-applicable, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.