CVE-2017-8563

high-risk
Published 2017-07-11

Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an elevation of privilege vulnerability due to Kerberos falling back to NT LAN Manager (NTLM) Authentication Protocol as the default authentication protocol, aka "Windows Elevation of Privilege Vulnerability".

Do I need to act?

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17.9% chance of exploitation in next 30 days
EPSS score — higher than 82% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (12)

Affected Vendors

Microsoft

References (4)

Third Party Advisory http://www.securityfocus.com/bid/99402
Patch https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8563
Third Party Advisory http://www.securityfocus.com/bid/99402
Patch https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8563
54
/ 100
high-risk
Severity 24/34 · High
Exploitability 13/34 · Low
Exposure 17/34 · Moderate