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CVE

CVE-2023-33148

Microsoft Office Elevation of Privilege Vulnerability

Microsoft Office Elevation of Privilege Vulnerability.

HIGH · CVSS 7.8 EPSS 0.01716
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
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Affected Products & Versions

2
microsoft 365 appsall versions
microsoft officeall versions
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Public Exploits & PoCs

3
remoteMicrosoft Office 365 Version 18.2305.1222.0 - Elevation of Privilege + RCE.2023-07-20
pocpacketstormsecurity.com · Microsoft-Office-365-18.2305.1222.0-Remote-Code-Execution...packetstormsecurity.com
pocpacketstorm.news · 173591packetstorm.news
◈

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

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 NVD11 Jul 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2023-33148Elevation of Privilege
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