CVE-2018-8449

EPSS 3.1%

Vexday Risk Score

23Low

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS —EPSS 3.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

13 Sep 2018Published on NVD

19 Sep 2018Public PoC

Weaponization speed

6 daysto first PoC

Weaponized quickly — attackers prioritized this vulnerability. Patch urgently.

Recommendation: Plan a near-term fix — a public PoC already exists.

A security feature bypass exists when Device Guard incorrectly validates an untrusted file, aka "Device Guard Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

Affected products

Microsoft · Windows 10 Microsoft · Windows 10 Servers Microsoft · Windows Server 2016

public PoCs found — 2

cve_referencewww.exploit-db.com/exploits/45435/unverified exploitdbwww.exploit-db.com/exploits/45435unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8449 https://www.exploit-db.com/exploits/45435/http://www.securityfocus.com/bid/105272 http://www.securitytracker.com/id/1041642