Security readout for executives and security teams
This Excel issue lets a malicious document bypass a Microsoft Office security check and run arbitrary commands when a user is tricked into opening crafted embedded content. The business risk is mainly phishing-driven compromise on systems still running the listed legacy Excel, Office Compatibility Pack, Excel Viewer, or Excel 2016 for Mac versions. Exposure is most likely on endpoints with the named Microsoft Excel versions, Office Compatibility Pack SP3, Excel Viewer, or Excel 2016 for Mac installed, especially where users receive Office documents by email, web download, or external file sharing. Prioritize remediation where legacy Office software remains in use on user workstations. The issue supports command execution through malicious documents, making it relevant to phishing risk, but the bundle does not confirm active exploitation. Mitigation focus: Apply Microsoft updates associated with MS16-148 for affected Office and Excel products.; Remove unsupported or unnecessary Excel Viewer and Office Compatibility Pack installations.; Restrict or sandbox untrusted Office documents with embedded content until patched..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-7266 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- MS16-148CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.