CVE-2018-8550 EXPLOIT
7.8
HIGH · CVSS 3.0 · EPSS 3.3% (pctl 88)
Patch early
A public exploit exists.
Description
An elevation of privilege exists in Windows COM Aggregate Marshaler, aka "Windows COM Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Scoring
| CVSS | 7.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.3% — more likely to be exploited than 88% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-11-14 |
| Last modified | 2026-06-17 |
Affected (8)
| Vendor | Product |
|---|---|
| microsoft | windows 10 |
| microsoft | windows 7 |
| microsoft | windows 8.1 |
| microsoft | windows rt 8.1 |
| microsoft | windows server 2008 |
| microsoft | windows server 2012 |
| microsoft | windows server 2016 |
| microsoft | windows server 2019 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Windows - DfMarshal Unsafe Unmarshaling Privilege Escalation | 2018-11-20 |
References
- http://www.securityfocus.com/bid/105805
- http://www.securitytracker.com/id/1042139
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8550
- https://www.exploit-db.com/exploits/45893/
- http://www.securityfocus.com/bid/105805
- http://www.securitytracker.com/id/1042139
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8550
- https://www.exploit-db.com/exploits/45893/
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