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CVE

CVE-2024-38200

Microsoft Office Spoofing Vulnerability

Microsoft Office Spoofing Vulnerability.

MEDIUM · CVSS 6.5 EPSS 0.58662
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

3
microsoft 365 appsall versions
microsoft officeall versions
microsoft office long term servicing channelall versions
⚠

Public Exploits & PoCs

1
remoteMicrosoft Office 2019 MSO Build 1808 - NTLMv2 Hash Disclosure2025-04-03
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT Microsoft Office Spoofing to HTTP Redirect Inbound (CVE-2024-38200)bad-unknown
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

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
▣

Scoring & Timeline

6.5
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 NVD12 Aug 2024 · 01:38 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2024-38200Spoofing
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