CVE-2023-36893HighCVSS 6.5

Microsoft Outlook Spoofing Vulnerability

Published
August 8, 2023
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2023-36893 →

📋 Description

What type of information could be disclosed by this vulnerability? Exploiting this vulnerability could allow the disclosure of NetNTLMv2 hashes.

Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? This vulnerability requires that a user with an affected version of Outlook open a malicious meeting or appointment invite from the attacker.

🎯 Affected products11

  • 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 2013 RT Service Pack 1
  • Microsoft Outlook 2013 Service Pack 1 (32-bit editions)
  • Microsoft Outlook 2013 Service Pack 1 (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 KB5002459 (Security Update) — fixed build 16.0.5408.1000 KB5002449 (Security Update) — fixed build 15.0.5579.1000

🔗 References (8)