CVE-2021-36934
Summary
| CVE | CVE-2021-36934 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-07-22 07:15:00 UTC |
| Updated | 2023-12-28 23:15:00 UTC |
| Description | Windows Elevation of Privilege Vulnerability |
Risk And Classification
EPSS: 0.672520000 probability, percentile 0.992300000 (date 2026-07-22)
CISA KEV: Listed on 2022-02-10; due 2022-02-24; ransomware use Unknown
Problem Types: NVD-CWE-Other
CISA Known Exploited Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Windows |
| Name | Microsoft Windows SAM Local Privilege Escalation Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2021-36934 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Microsoft | Windows 10 | 1809 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1909 | All | All | All |
| Operating System | Microsoft | Windows 10 | 2004 | All | All | All |
| Operating System | Microsoft | Windows 10 | 20h2 | All | All | All |
| Operating System | Microsoft | Windows 10 | 21h1 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Security Update Guide - Microsoft Security Response Center | N/A | portal.msrc.microsoft.com | |
| HiveNightmare AKA SeriousSAM ≈ Packet Storm | MISC | packetstormsecurity.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 91797 Microsoft Windows Elevation of Privilege Vulnerability (CVE-2021-36934)(Zero-day)(HiveNightmare/SeriousSAM)