CVE Watch—

CVE-2023-23397

Microsoft Office Outlook Privilege Escalation Vulnerability

CVSS

—

Sin CVSS

EPSS

97.4%

p100

KEV

SÍ

14 mar 2023

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

97.4%EPSS · 30 días97.4%

2026-06-302026-07-16

Ficha del catálogo KEV

Producto

Microsoft / Office

Vulnerabilidad

Microsoft Office Outlook Privilege Escalation Vulnerability

Añadido a KEV

14 mar 2023

Remediar antes de

4 abr 2023

Uso conocido en ransomware

Descripción resumida

Microsoft Office Outlook contains a privilege escalation vulnerability that allows for a NTLM Relay attack against another service to authenticate as the user.

Acción requerida

Apply updates per vendor instructions.

Notas

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-23397, https://msrc.microsoft.com/blog/2023/03/microsoft-mitigates-outlook-elevation-of-privilege-vulnerability/, ; https://nvd.nist.gov/vuln/detail/CVE-2023-23397

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