CVE-2024-38200

MEDIUM 1 PoC
MEDIUM Priority: 1.41 BB Relevance: 77/100
Published: 2024-08-08 Modified: 2026-11-04 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: High
I: None
A: None

Description

Microsoft Office Spoofing Vulnerability

Affected Software (16)

VendorProductVersion
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2016 16.0.0 < 16.0.5461.1001
Microsoft Microsoft Office 2016 16.0.0 < 16.0.5461.1001
Microsoft Microsoft Office 2019 19.0.0 < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2019 19.0.0 < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 < https://aka.ms/OfficeSecurityReleases
microsoft 365_apps -
microsoft 365_apps -
microsoft office 2016
microsoft office 2016
microsoft office 2019
microsoft office 2019
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2021

References & Advisories (1)

Proof of Concept (1)

Bug Bounty Relevance

77 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ PoC available (1)

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

21.65%
Raw Score 0.216520
Percentile 97.7%
Date 2026-11-14

EPSS Trend

2026-11-14
0.21652
2026-11-13
0.21652
2026-11-12
0.21652
2026-11-10
0.21652
2026-11-09
0.21652
2026-11-08
0.21652
2026-11-07
0.21652
2026-11-06
0.21652
2026-11-05
0.21652
2026-11-04
0.21652
2026-11-03
0.21652

Intelligence Sources

mitre ref →
nvd ref →