Vulnerability · Published Mar 14, 2023 · Assigned by microsoft

CVE-2023-23396Microsoft Excel Denial of Service Vulnerability

Medium 6.5

In plain English

A medium-severity uncontrolled resource consumption in Microsoft Office Online Server from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.8% (higher than 90% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)3.8%top 9.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Microsoft Excel Denial of Service Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Office Online Server 16.0.1 – before 16.0.10396.20000
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.1 – before 15.0.5537.1000

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

References