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CVE

CVE-2017-11877

Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft

Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Compatibility Pack Service Pack 3, Microsoft Excel Viewer 2007 Service Pack 3, and Microsoft Excel 2016 for Mac allow a security feature bypass by not enforcing macro settings on an Excel document, aka "Microsoft Excel Security Feature Bypass Vulnerability".

MEDIUM · CVSS 5.5 EPSS 0.11994
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
Sigma rules5 YARA rules0
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Affected Products & Versions

3
microsoft excelall versions
microsoft excel viewerall versions
microsoft office compatibility packall versions
◈

Sigma Hunt Rules

5
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPython Function Execution Security Warning Disabled In Excel
producthighPotential Excel.EXE DCOM Lateral Movement Via ActivateMicrosoftApp
producthighPotential Persistence Via Excel Add-in - Registry
producthighPython Function Execution Security Warning Disabled In Excel - Registry
productmediumMicrosoft Excel Add-In Loaded From Uncommon Location
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Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Nov 2017 · 03:29 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

1
msrcCVE-2017-11877Security Feature Bypass
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101747Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039783Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11877Issue TrackingPatchVendor Advisory
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