EXPOSURES › CVE-2017-8540
CVE-2017-8540
HIGH ⌖ ON CISA KEV · EXPLOITEDA memory corruption flaw in Microsoft's Malware Protection Engine allowed remote code execution when scanning specially crafted files.
This vulnerability enabled attackers to execute arbitrary code on systems running the affected Microsoft Malware Protection Engine, including Windows Server and Windows 10. DIB organizations must ensure all endpoints are patched and monitored for exploitation attempts, as this flaw was actively exploited in the wild and linked to ransomware campaigns.
Shame score — A critical remote code execution flaw in a core security product was actively exploited in the wild, demonstrating severe negligence in patch management and threat detection.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".
| 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 |