CRITICALCVSS 9.8Actively exploited · CISA KEV since 2025-02-06Vulnerability
CVE-2024-21413
Microsoft Outlook contains an improper input validation vulnerability that allows for remote code execution. Successful exploitation of this vulnerability would allow an attacker to bypass the Office Protected View and open in editing mode rather than protected mode.
Properties
- Euvd product
- Microsoft Office 2016, Microsoft 365 Apps for Enterprise, Microsoft Office 2019, Microsoft Office LTSC 2021
- Vulnerability name
- Microsoft Outlook Improper Input Validation Vulnerability
- First seen
- 2026-08-10T17:52:40+00:00
- Cvss score
- 9.8
- Epss score
- 0.9466
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2025-02-27
- Euvd assigner
- microsoft
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2025-02-06T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2025-02-06
- Euvd base score version
- 3.1
- Score
- 9.8
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Microsoft
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 9.8
Related Entities (9)
AFFECTS_PRODUCT (6)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
Explore deeper with Ninja Signal's threat intelligence graph