← Vulnerability feed
Start free
Open in platform
Vulnerability record · CVE-2021-42277 · published 10 November 2021
CVE-2021-42277: Microsoft visual studio improper privilege management vulnerability
Microsoft · Visual Studio
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
5.5 CVSS 3.1 Medium EPSS 0.86% · top 43.2% CWE-269 · Improper privilege management
5.5CVSS 3.1 base score, v2 4.6
0.86%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
3References
19 Aug 2026Last modified by NVD
Description
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42277 | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42277 | PatchVendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-21-1306/ | Third Party Advisory |
Track CVE-2021-42277 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
8.8CVE-2015-2426Windows Adobe Type Manager Library buffer underflow via crafted OpenType fontA buffer underflow in atmfd.dll, the Windows Adobe Type Manager Library, lets a crafted OpenType font trigger memory corruption. Because font parsing…KEVEPSS 87%analysed7.8CVE-2021-40449Windows Win32k use-after-free local privilege escalationCVE-2021-40449 is a use-after-free (CWE-416) in the Windows Win32k component that allows a local attacker to elevate privileges. It affects a broad s…KEVEPSS 74%analysed7.8CVE-2020-1147Microsoft .NET Framework, SharePoint, and Visual Studio XML Deserialization RCEThe software fails to check the source markup of XML input, allowing crafted XML to trigger unsafe deserialization and remote code execution. It affe…KEVEPSS 94%analysed6.6CVE-2015-1769Windows Mount Manager symlink mishandling allows local privilege escalationThe Windows Mount Manager mishandles symbolic links, allowing a crafted USB device to trigger arbitrary code execution. Because the flaw is in a core…KEVEPSS 4.1%analysed10.0CVE-2020-1467Microsoft windows 10 vulnerabilityAn elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully exploited this vulnerability …EPSS 3.5%9.9CVE-2021-26424Windows TCP/IP stack remote code execution flawCVE-2021-26424 is a remote code execution vulnerability in the Windows TCP/IP stack affecting a broad set of Windows client and server releases. Micr…EPSS 61%analysed9.9CVE-2021-28476Microsoft windows 10 vulnerabilityWindows Hyper-V Remote Code Execution VulnerabilityEPSS 39%9.9CVE-2021-26867Microsoft windows 10 vulnerabilityWindows Hyper-V Remote Code Execution VulnerabilityEPSS 2.8%
Source: NIST National Vulnerability Database (record CVE-2021-42277), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
