CVE-2024-42220: microsoft outlook
Vulnerability summary
CVE-2024-42220 is a critical (CVSS 9.1) vulnerability in microsoft outlook. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 54.1% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 18-12-2024PublishedVulnerability first disclosed.
- 19-12-2024Last modifiedVulnerability information updated.
Description
A library injection vulnerability exists in Microsoft Outlook 16.83.3 for macOS. A specially crafted library can leverage Outlook's access privileges, leading to a permission bypass. A malicious application could inject a library and start the program to trigger this vulnerability and then make use of the vulnerable application's permissions.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NDiffers
EPSS trend
Probability
0.74%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.74% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Exploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- outlook16.83.3 for macOS | 16.83.3
1 vendor · 1 product