CVE-2018-8312

Home/CVE/A remote code execution vulnerability exists when Microsoft Access fails to properly handle objects in memory, aka "Micr

CVE

A remote code execution vulnerability exists when Microsoft Access fails to properly handle objects in memory, aka "Micr

A remote code execution vulnerability exists when Microsoft Access fails to properly handle objects in memory, aka "Microsoft Access Remote Code Execution Vulnerability." This affects Microsoft Access, Microsoft Office.

HIGH · CVSS 7.8 EPSS 0.30338

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 3% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules15 YARA rules0

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Affected Products & Versions

microsoft accessall versions

microsoft officeall versions

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Sigma Hunt Rules

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.

productcriticalBitbucket Unauthorized Access To A Resource

productcriticalWCE wceaux.dll Access

productcriticalAD Object WriteDAC Access

productcriticalPwnDrp Access

producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS

producthighPrimary Refresh Token Access Attempt

Show all 15 top matchesproducthighSign-in Failure Due to Conditional Access Requirements Not Met
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
producthighUncommon File Created In Office Startup Folder
producthighPotentially Suspicious Office Document Executed From Trusted Location

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Scoring & Timeline

7.8

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 NVD11 Jul 2018 · 12:29 AM

CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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Vendor Advisories

msrcCVE-2018-8312Remote Code Execution

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References & Sources

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/104645Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1041254Third Party AdvisoryVDB Entry

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8312PatchVendor Advisory

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