Vulnerability in Microsoft Windows Server 2008
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."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.819 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.819 · newest: 0.819 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050 (vendor-advisory)
- www.us-cert.gov/cas/techalerts/TA09-286A.html (US Government Resource, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:5595 (signature, vdb-entry)
Frequently asked questions
- What is CVE-2009-2526?
- CVE-2009-2526 is a vulnerability in Microsoft Windows Server 2008, classified under CWE-399. Published 2009-10-14.
- Is CVE-2009-2526 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.