Windows COM Aggregate Marshaler in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation privilege vulnerability when an attacker runs a specially crafted application, aka "Windows COM Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-0214.
Conclusion & alert: CVE-2017-0213 is rated Critical Active Threat (89.2/100): CVSS High severity, with high exploitation likelihood (EPSS 92.57%, 100th 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 Privilege Escalation Vulnerability · CISA KEV detail
: 2022-03-28
: 2022-04-18
: Apply updates per vendor instructions.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 42020 | exploit_db | edb | 2017-05-17 | 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 | 2026-06-02 | 92.44% | 92.57% | +0.13% |
| 2 | 2026-05-07 | 92.73% | 92.44% | -0.28% |
| 3 | 2025-11-18 | — | 92.73% | — |
Full EPSS history (23 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.3 | 3.1 | HIGH |
|
1.3 | 5.9 | [email protected] |
| 7.3 | 3.1 | HIGH |
|
1.3 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 1.9 | 2.0 | LOW |
|
3.4 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_10_1507 | — | cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:* |
| microsoft | windows_10_1511 | — | cpe:2.3:o:microsoft:windows_10_1511:-:*:*:*:*:*:*:* |
| microsoft | windows_10_1607 | — | cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:* |
| microsoft | windows_10_1703 | — | cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:* |
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* |
| microsoft | windows_8.1 | — | cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* |
| microsoft | windows_rt_8.1 | — | cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* |
| 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:*:*:*:*:x64:* |
| microsoft | windows_server_2012 | — | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* |
| microsoft | windows_server_2012 | r2 | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | — | cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/98102 | Broken Link Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1038457 | Broken Link Third Party Advisory VDB Entry |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0213 | Patch Vendor Advisory |
| https://www.exploit-db.com/exploits/42020/ | Exploit Third Party Advisory VDB Entry |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0213 | US Government Resource |