Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 99.9%; technical severity is CVSS 7.8.
Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, Windows 8.1 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office/WordPad Remote Code Execution Vulnerability w/Windows API."
Who should care
- Teams operating Office, Office and WordPad, Windows 7 +4 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Office, Office and WordPad, Windows 7 +4 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Apply updates per vendor instructions.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- Not classified
- Affected versions
- Microsoft Office (Version: 2016); Microsoft Office and WordPad; Microsoft Windows 7 (Version: -); Microsoft Windows Server 2008 (Version: r2); Microsoft Windows Server 2012 (Version: -); Microsoft Windows Vista (Version: -); Philips Intellispace Portal (Version: 8.0)
- Published
- 12 April 2017
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 99.9%
- Signal calculated at 86
External references
- Government advisory from www.cisa.gov
- Exploit information from rewtin.blogspot.nl
- Third-party advisory from www.securityfocus.com
- Third-party advisory from www.securitytracker.com
- Exploit information from blog.nviso.be
- Government advisory from ics-cert.us-cert.gov
- Exploit information from www.exploit-db.com
- Exploit information from www.exploit-db.com
- Third-party advisory from www.exploit-db.com
- Exploit information from www.fireeye.com
- Exploit information from www.mdsec.co.uk