Vulnerability Report

CVE-2009-2526

Title: Microsoft Windows Server 2008 Denial of Service (DoS)

DoS

Proof Of Concept

PoC Available for CVE-2009-2526

CWE Category CWE-399
Published Date Oct 14, 2009
Modified Date Jun 16, 2026
Exploit Status Available
Score 7.8 CVSS v2.0
Exploit Probability (EPSS)
81.89%

Vulnerability Summary

CVE-2009-2526: Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 do not properly validate fields in SMBv2 packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted packet to the Server service, aka "SMBv2 Infinite Loop Vulnerability."

Impacted Vendors

M
microsoft 2

Reference Links

http://www.us-cert.gov/cas/techalerts/TA09-286A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5595 http://www.us-cert.gov/cas/techalerts/TA09-286A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5595
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-2526 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/40280
View Code
Exploit-DB https://www.exploit-db.com/exploits/14674
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected Stack

No specific products linked.