CVE-2017-0290

high-risk

Published 2017-05-09

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 does not properly scan a specially crafted file leading to memory corruption, aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability."

Do I need to act?

87.8% chance of exploitation in next 30 days

EPSS score — higher than 12% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

1 public exploit available

41975

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.8/10 High

LOCAL / LOW complexity

Affected Products (3)

Forefront Security

Windows Defender

Malware Protection Engine

Affected Vendors

Microsoft

References (20)

Third Party Advisory http://www.securityfocus.com/bid/98330

http://www.securitytracker.com/id/1038419

http://www.securitytracker.com/id/1038420

https://0patch.blogspot.si/2017/05/0patching-worst-windows-remote-code.html

Press/Media Coverage https://arstechnica.com/information-technology/2017/05/windows-defender-nscript-...

Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1252

Vendor Advisory https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0290

Patch https://technet.microsoft.com/library/security/4022344

Exploit https://twitter.com/natashenka/status/861748397409058816

https://www.exploit-db.com/exploits/41975/