CVE-2013-3138
HighInteger overflow in the TCP/IP kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows remote attackers to cause a denial of service (system hang) via crafted TCP packets, aka…
Published Jun 12, 2013 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2013-3138 is a high-severity vulnerability (CVSS 7.1 v2) affecting Windows 7 (Microsoft), Windows 8 (Microsoft), Windows Rt (Microsoft) and 2 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 59% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.1
AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS (30-day exploit likelihood)
59%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2013-3138 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Integer overflow in the TCP/IP kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows remote attackers to cause a denial of service (system hang) via crafted TCP packets, aka "TCP/IP Integer Overflow Vulnerability."
Affected Products
10 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 7Microsoft | See advisory | n/a |
| Windows 8Microsoft | See advisory | n/a |
| Windows RtMicrosoft | See advisory | n/a |
| Windows Server 2008Microsoft | See advisory | n/a |
| Windows VistaMicrosoft | See advisory | n/a |
Timeline
Publicly disclosed
Jun 12, 2013
Last updated
Apr 28, 2026
Weakness Type
- CWE-189
References
- advisoryTA13-168A
- otherMS13-049
- otheroval:org.mitre.oval:def:16943
FAQ
Common Questions.
Integer overflow in the TCP/IP kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows remote attackers to cause a denial of service (system hang) via crafted TCP packets, aka "TCP/IP Integer Overflow Vulnerability."
Affected: Windows 7 (Microsoft); Windows 8 (Microsoft); Windows Rt (Microsoft), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2013-3138 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo