Home/CVE/A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded
CVE

CVE-2018-8332

A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded

A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts, aka "Win32k Graphics Remote Code Execution Vulnerability." This affects Windows 7, Microsoft Office, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.

HIGH · CVSS 8.8 EPSS 0.36001
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
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Affected Products & Versions

6
microsoft officeall versions
microsoft office for macall versions
microsoft windows 10all versions
microsoft windows 7all versions
microsoft windows 8.1all versions
microsoft windows serverall versions
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Sigma Hunt Rules

8
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.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighCode Executed Via Office Add-in XLL File
producthighPotential Persistence Via Microsoft Office Add-In
producthighPotential Persistence Via Microsoft Office Startup Folder
producthighFile With Uncommon Extension Created By An Office Application
producthighOffice Macro File Creation From Suspicious Process
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Scoring & Timeline

8.8
HIGH · CVSS v3.0 · 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 NVD13 Sep 2018 · 12:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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Vendor Advisories

1
msrcCVE-2018-8332Remote Code Execution
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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/105248Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041628Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8332PatchVendor Advisory
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