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 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 allow an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11884.
Who should care
- Teams operating Office
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Office 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
- CWE-119
- Affected versions
- Microsoft Office (Version: 2016)
- Published
- 15 November 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 reversingminds-blog.logdown.com
- Third-party advisory from www.securityfocus.com
- Third-party advisory from www.securitytracker.com
- Exploit information from github.com
- Exploit information from github.com
- Exploit information from github.com
- Exploit information from github.com
- Exploit information from researchcenter.paloaltonetworks.com
- Mitigation guidance from web.archive.org
- Exploit information from www.exploit-db.com
- Government advisory from www.kb.cert.org