Microsoft Excel Denial of Service Vulnerability
CVE-2023-23396

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Office Online Server
Microsoft Office Web Apps Server 2013 Service Pack 1
Vendor
CVE Published:
14 March 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 43%

What is CVE-2023-23396?

Microsoft Excel Denial of Service Vulnerability

Affected Version(s)

Microsoft Office Online Server Unknown 16.0.1 < 16.0.10396.20000

Microsoft Office Web Apps Server 2013 Service Pack 1 Unknown 15.0.1 < 15.0.5537.1000

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-23396
Created by LucaBarile

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

EPSS Score

43% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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