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.
Conclusion & alert: CVE-2013-5065 is rated Critical Active Threat (90.8/100): CVSS High severity, with high exploitation likelihood (EPSS 34.89%, 98th percentile). Core evidence: CISA KEV confirms active exploitation (added 2022-03-03) affecting Microsoft / Windows. Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Microsoft Windows Kernel Privilege Escalation Vulnerability · CISA KEV detail
: 2022-03-03
: 2022-03-24
: Apply updates per vendor instructions.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 37732 | exploit_db | edb | 2015-08-07 | Exploit-DB ↗ |
| 30392 | exploit_db | edb | 2013-12-17 | Exploit-DB ↗ |
| 30014 | exploit_db | edb | 2013-12-03 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-16 | 34.65% | 34.89% | +0.24% |
| 2 | 2026-06-15 | 72.98% | 34.65% | -38.33% |
| 3 | 2026-05-22 | — | 72.98% | — |
Full EPSS history (30 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
: Per: http://technet.microsoft.com/en-us/security/bulletin/ms14-002 "This security update also addresses the vulnerability first described in Microsoft Security Advisory 2814486."
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_2003_server | — | cpe:2.3:o:microsoft:windows_2003_server:-:sp2:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://technet.microsoft.com/security/advisory/2914486 | Patch Vendor Advisory |
| http://www.fireeye.com/blog/technical/cyber-exploits/2013/11/ms-windows-local-privilege-escalation-zero-day-in-the-wild.html | Broken Link Not Applicable |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-002 | Patch Vendor Advisory |
| https://www.exploit-db.com/exploits/37732/ | Exploit Third Party Advisory VDB Entry |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-5065 | US Government Resource |