[ CVE-2018-8174 · Published 9 May 2018 ]
Microsoft Windows VBScript Engine Out-of-Bounds Write Vulnerability
Exploited · CISA KEV CVSS 7.5
EPSS 88%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-02-15
- Known to be used in ransomware campaigns
- EPSS: 88% chance of exploitation in the next 30 days (higher than 100% of CVEs)
[ Description ]Official description
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CISA: A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution"
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 15 Aug 2022): Apply updates per vendor instructions.
- Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- www.securityfocus.com/bid/103998Third Party AdvisoryVDB Entry
- blog.0patch.com/2018/05/a-single-instruction-micropatch-for.htmlExploitTechnical DescriptionThird Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8174PatchVendor Advisory
- www.exploit-db.com/exploits/44741ExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource