EXPOSURES › CVE-2021-41357
CVE-2021-41357
HIGH ⌖ ON CISA KEV · EXPLOITEDMicrosoft Win32k privilege escalation vulnerability (CVE-2021-41357) allows attackers to escalate privileges on Windows systems.
This vulnerability enables privilege escalation on Windows systems, allowing attackers to gain higher-level access without remote code execution. DIB organizations must ensure all Windows systems are patched, as this flaw was actively exploited in the wild and represents a significant compliance risk under NIST 800-171 for systems handling CUI.
Shame score — A critical privilege escalation flaw in a core Windows component that was actively exploited in the wild, indicating severe negligence in patch management and system hardening.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.
| PRODUCT | STATUS |
|---|---|
| Azure Commercial Cloud Microsoft |
Authorized |
| Azure Government (includes Dynamics 365) Microsoft |
Authorized |
| Microsoft Office 365 GCC High Microsoft |
In Process |
| Office 365 Multi-Tenant & Supporting Services Microsoft |
Authorized |