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Vulnerability record · CVE-2014-1811 · published 11 June 2014

CVE-2014-1811: Microsoft windows 7 vulnerability

Microsoft · Windows 7

The TCP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to cause a denial of service (non-paged pool memory consumption and system hang) via malformed data in the Options field of a TCP header, aka "TCP Denial of Service Vulnerability."

5.0 CVSS 2.0 Medium EPSS 18% · top 2.9% CWE-399 · CWE-399
5.0CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

The TCP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to cause a denial of service (non-paged pool memory consumption and system hang) via malformed data in the Options field of a TCP header, aka "TCP Denial of Service Vulnerability."

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blogs.technet.com/b/srd/archive/2014/06/10/assessing-risk-for-the-june-2014-security-updates.aspx Vendor Advisory
http://secunia.com/advisories/58525 Permissions RequiredThird Party Advisory
http://www.securityfocus.com/bid/67888 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-031 PatchVendor Advisory
http://blogs.technet.com/b/srd/archive/2014/06/10/assessing-risk-for-the-june-2014-security-updates.aspx Vendor Advisory
http://secunia.com/advisories/58525 Permissions RequiredThird Party Advisory
http://www.securityfocus.com/bid/67888 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-031 PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-1811), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.