CVE-2017-0213: Microsoft Windows Privilege Escalation Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Windows COM Aggregate Marshaler allows for privilege escalation when an attacker runs a specially crafted application.
CSIRTS triage
- What
- Microsoft Windows COM Aggregate Marshaler allows for privilege escalation when an attacker runs a specially crafted application.
- Who is affected
- Users of Microsoft Windows are affected by this vulnerability.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Install the latest security updates provided by Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Windows
Get an email when a new Windows advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-0213
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2017-0213Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2017-0213 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Microsoft Windows Privilege
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2026-21533: Microsoft Windows Improper Privilege Management Vulnerabilitycisa-kev · 2026-02-10
- criticalexploitedCVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerabilitycisa-kev · 2025-10-06
- criticalexploitedCVE-2024-49039: Microsoft Windows Task Scheduler Privilege Escalation Vulnerabilitycisa-kev · 2024-11-12
- criticalexploitedCVE-2024-38014: Microsoft Windows Installer Improper Privilege Management Vulnerabilitycisa-kev · 2024-09-10
- criticalexploitedCVE-2024-38107: Microsoft Windows Power Dependency Coordinator Privilege Escalation Vulnerabilitycisa-kev · 2024-08-13
- criticalexploitedCVE-2024-38106: Microsoft Windows Kernel Privilege Escalation Vulnerabilitycisa-kev · 2024-08-13
More from CISA Known Exploited Vulnerabilities
- criticalCVE-2026-48939: iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-56291: Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-48908: JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-07
- criticalCVE-2026-55255: Langflow Authorization Bypass Through User-Controlled Key Vulnerability2026-07-07
- criticalCVE-2026-48282: Adobe ColdFusion Path Traversal Vulnerability2026-07-07