CVE-2021-41379

Timeline

Detection, updates, and resolution for this record.

1. Nov 9, 2021 · Catalog

   Detected

   Microsoft Windows Installer contains an unspecified vulnerability that allows for privilege escalation.

2. Mar 3, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Mar 17, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Aug 19, 2026 · Catalog

   Updated

   Microsoft Windows Installer contains an unspecified vulnerability that allows for privilege escalation.

Affected

• cpe microsoft/windows 10 1507version unspecified
• cpe microsoft/windows 10 1607version unspecified
• cpe microsoft/windows 10 1809version unspecified
• cpe microsoft/windows 10 1909version unspecified
• cpe microsoft/windows 10 2004version unspecified
• cpe microsoft/windows 10 20h2version unspecified
• cpe microsoft/windows 10 21h1version unspecified
• cpe microsoft/windows 11 21h2version unspecified
• vendor Microsoft Windowsversion unspecified

Sources

• CISA KEVCVE-2021-41379

  Microsoft Windows Installer contains an unspecified vulnerability that allows for privilege escalation.

  cisa.gov
• CVE.orgCVE-2021-41379

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2021-41379

  30-day exploitation probability 19.5%

  first.org
• NIST NVDCVE-2021-41379

  Windows Installer Elevation of Privilege Vulnerability

  nvd.nist.gov

References

• Patch · msrc.microsoft.com
• CISA note · nvd.nist.gov
• Patch · portal.msrc.microsoft.com
• US Government Resource · cisa.gov
• Third Party Advisory · zerodayinitiative.com