Microsoft Outlook Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Is the Preview Pane an attack vector for this vulnerability? Yes, the Preview Pane is an attack vector.
According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of confidentiality (C:H), integrity (I:H), and availability (A:H). What does that mean for this vulnerability? An attacker who successfully exploited this vulnerability could gain high privileges, which include read, write, and delete functionality.
According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? The attacker must be authenticated using valid Exchange user credentials.
🎯 Affected products8
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Outlook 2016 (32-bit edition)
- Microsoft Outlook 2016 (64-bit edition)
✅ Remediation
KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KB5002543 (Security Update) — fixed build 16.0.5435.1000
🔗 References (5)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21378
- referencehttps://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
- patchhttps://www.microsoft.com/download/details.aspx?familyid=3612a0d1-032c-4c0e-8a8a-eb5ff91d8e31
- referencehttps://support.microsoft.com/help/5002543
- patchhttps://www.microsoft.com/download/details.aspx?familyid=bc7cd3d8-6fd1-4ff9-8713-9bd18fa65b4d