PT-2024-4978 · Microsoft · Outlook+1

Published 2024-07-09 · Updated 2025-07-28 · CVE-2024-38021

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: Microsoft Outlook (affected versions not specified)

Description: The issue is related to insufficient input validation, allowing remote attackers to execute arbitrary code. This zero-click remote code execution vulnerability poses severe security risks, potentially leading to unauthorized access without user interaction. It is estimated that around 533,624 results are mainly distributed in Germany, indicating a significant number of potentially affected devices worldwide.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2024-05502

CVE-2024-38021

Affected Products

Outlook

Office

References · 70

• https://osv.dev/vulnerability/CVE-2024-38021 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-05502 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/709889 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-38021 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-38021 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38021 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-38021 · Vendor Advisory
• https://t.me/cvenotify/85908 · Telegram Post
• https://t.me/cvenotify/85730 · Telegram Post
• https://twitter.com/CERTologists/status/1827105314191343669 · Twitter Post
• https://twitter.com/securityshell/status/1811029535699222558 · Twitter Post
• https://twitter.com/moton/status/1811034708152832191 · Twitter Post
• https://twitter.com/cackerman21/status/1825229040480846073 · Twitter Post
• https://twitter.com/ncsc_gov_ie/status/1811506986011492555 · Twitter Post
• https://twitter.com/Devanshu_Nagpal/status/1826201268446237038 · Twitter Post