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Vulnerability Intelligence

CVE-2013-3138

High

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…

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

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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
ProductAffected versionsFixed in
Windows 7MicrosoftSee advisoryn/a
Windows 8MicrosoftSee advisoryn/a
Windows RtMicrosoftSee advisoryn/a
Windows Server 2008MicrosoftSee advisoryn/a
Windows VistaMicrosoftSee advisoryn/a

Timeline

  1. Publicly disclosed

    Jun 12, 2013

  2. Last updated

    Apr 28, 2026

Weakness Type

  • CWE-189

References

FAQ

Common Questions.

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