The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows local users to gain privileges via a crafted application, aka "Windows Elevation of Privilege Vulnerability."
Conclusion & alert: CVE-2016-0040 is rated Critical Active Threat (90.5/100): CVSS High severity, with high exploitation likelihood (EPSS 24.55%, 98th percentile). Core evidence: CISA KEV confirms active exploitation (added 2022-03-28) 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
: 2022-03-28
: 2022-04-18
: Apply updates per vendor instructions.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 44586 | exploit_db | edb | 2018-05-04 | 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 | 24.37% | 24.55% | +0.18% |
| 2 | 2026-06-15 | 75.76% | 24.37% | -51.39% |
| 3 | 2026-06-10 | — | 75.76% | — |
Full EPSS history (24 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] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* |
| microsoft | windows_vista | — | cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1034985 | Broken Link Third Party Advisory VDB Entry |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014 | Patch Vendor Advisory |
| https://www.exploit-db.com/exploits/44586/ | Exploit Third Party Advisory VDB Entry |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0040 | US Government Resource |