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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2013-5065

Microsoft Windows Kernel Privilege Escalation Vulnerability

KEVEXPLOIT ×3 ✓HIGH 7.8EPSS 34.7%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

NDProxy.sys in the kernel in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in November 2013.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
34.65% probability · 98th percentile
Public exploits
3 in Exploit-DB · verified · first 3 December 2013
CISA KEV
Listed 3 March 2022 · due 24 March 2022
Affected
microsoft/windows 2003 server · microsoft/windows xp
Source
secure@microsoft.com
EPSS trend
0%18%35%30 October 2026: 34.65%30 October 202630 October 2026

EPSS 34.7% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2013-5065

Public exploits (3)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-37732source ↗Microsoft Windows XP SP3 (x86) / 2003 SP2 (x86) - 'NDProxy' Local Privilege Escalation (MS14-002)windows_x86 · Tomislav Paskalevlocal7 August 2015no
EDB-30392source ↗Microsoft Windows - 'ndproxy.sys' Local Privilege Escalation (Metasploit)windows · Metasploitlocal17 December 2013yes
EDB-30014source ↗Microsoft Windows - 'NDPROXY' SYSTEM Privilege Escalation (MS14-002)windows · ryujinlocal3 December 2013yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.