CVE-2023-36763: Microsoft Outlook Information Disclosure Vulnerability

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Category

Information Disclosure

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2023-Sep

Released

2023-09-12

EPSS Score

1.28% (percentile: 79.6%)

FAQ

Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector. What type of information could be disclosed by this vulnerability? Exploiting this vulnerability could allow the disclosure of credentials.

Affected Products (8)

Microsoft Office

• Microsoft Office 2019 for 32-bit editions
• Microsoft Office 2019 for 64-bit editions
• Microsoft 365 Apps for Enterprise for 32-bit Systems
• Microsoft 365 Apps for Enterprise for 64-bit Systems
• Microsoft Office LTSC 2021 for 64-bit editions
• Microsoft Office LTSC 2021 for 32-bit editions
• Microsoft Outlook 2016 (32-bit edition)
• Microsoft Outlook 2016 (64-bit edition)

Security Updates (2)

• 5002499
• 5002499

Acknowledgments

Carl Pearson

Revision History

• 2023-09-12: Information published.