CVE-2019-1448

Home/CVE/A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle obje

CVE

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle obje

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

HIGH · CVSS 7.8 EPSS 0.38019

Schedule remediation

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

Sigma rules13 YARA rules0

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Affected Products & Versions

microsoft excelall versions
microsoft officeall versions
microsoft office 365 proplusall 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.

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

Show all 13 top matchesproducthighUncommon File Created In Office Startup Folder
producthighPotentially Suspicious Office Document Executed From Trusted Location
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

7.8

HIGH · 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 NVD12 Nov 2019 · 07:15 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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Vendor Advisories

msrcCVE-2019-1448Remote 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.

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1448PatchVendor Advisory

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