CVE-2023-23396

Microsoft Excel Denial of Service Vulnerability

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Microsoft Excel Denial of Service Vulnerability

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-01-11 CVE Reserved
2023-03-14 CVE Published
2023-04-07 First Exploit
2025-02-28 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/LucaBarile/CVE-2023-23396	2023-04-07

URL	Date	SRC
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23396	2024-05-29

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Office Online Server Search vendor "Microsoft" for product "Office Online Server"				-		-		Affected
Microsoft Search vendor "Microsoft"		Office Web Apps Server Search vendor "Microsoft" for product "Office Web Apps Server"				2013 Search vendor "Microsoft" for product "Office Web Apps Server" and version "2013"		sp1		Affected