Microsoft · Windows
CVE-2013-5065
Microsoft Windows Kernel Privilege Escalation Vulnerability
Exploited in attacks
High 7.8 Attack chance: 35%
What it is
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.
CISA: Microsoft Windows NDProxy.sys in the kernel contains an improper input validation vulnerability which can allow a local attacker to escalate privileges.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: March 24, 2022
- Added to the CISA list
- March 3, 2022
- Published
- November 27, 2013
- Severity
- High 7.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 35% in the top 1.6% of all known vulnerabilities
- Weakness
- CWE-20
- More details
- NVD · CVE.org · CISA
All references (4)
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
| May 20, 2026 | Buffer Overflow | Windows | Critical 9.8 | 99% |
| Apr 28, 2026 | Protection Mechanism Failure | Windows | Medium 4.3 | 71% |
| Apr 13, 2026 | Out-of-Bounds Read | Windows | High 7.8 | 12% |
| Apr 13, 2026 | Link Following | Windows | High 7.8 | 4.6% |
| Feb 17, 2026 | Microsoft Windows Video ActiveX Control Remote Code Execution | Windows | High 8.8 | 77% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.