EXPOSURES › CVE-2020-1054
CVE-2020-1054
HIGH ⌖ ON CISA KEV · EXPLOITEDA kernel-mode privilege escalation flaw in Microsoft Win32k allowed attackers to execute arbitrary code in kernel mode.
This vulnerability in the Windows kernel-mode driver failed to properly handle memory objects, enabling kernel-mode code execution. DIB organizations must ensure all Windows systems are patched immediately, as this flaw was actively exploited in the wild and represents a severe, avoidable security failure.
Shame score — A fundamental kernel-mode privilege escalation flaw that was actively exploited in the wild, demonstrating severe negligence in patching and system hardening.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.
"Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode."
| 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 |