CVE-2013-1340

Name: CVE-2013-1340
Creator: NVD / NIST
Published: 2013-07-10T03:46:09.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.4/10EPSS 1.53%

Last modified Jun 16, 2026

CVE-2013-1340 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT does not properly handle objects in memory, which allows local users to gain privileges via a crafted application, aka "Win32k Dereference Vulnerability.". EPSS estimates a 1.53% chance of exploitation in the next 30 days.

Description

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT does not properly handle objects in memory, which allows local users to gain privileges via a crafted application, aka "Win32k Dereference Vulnerability."

Metrics

CVSS 3.1

8.4/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.53%

71.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 7	All versions	Sp1
Microsoft	Windows 8	All versions	—
Microsoft	Windows Rt	All versions	—
Microsoft	Windows Server 2003	All versions	Sp2
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Vista	All versions	Sp2
Microsoft	Windows Xp	All versions	Sp3

References

Timeline

Published: Jul 10, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-1340?

How severe is CVE-2013-1340?

CVE-2013-1340 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 1.53% probability of exploitation in the next 30 days.

How do I fix CVE-2013-1340?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-1340?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST