CVE-2017-0004
The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows remote attackers to cause a denial of service (reboot) via a crafted authentication request, aka "Local…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 91.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows remote attackers to cause a denial of service (reboot) via a crafted authentication request, aka "Local Security Authority Subsystem Service Denial of Service Vulnerability."
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 91.37% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/windows 7 · microsoft/windows server 2008 · microsoft/windows vista
- Source
- secure@microsoft.com
EPSS moved from 88.9% on 21 September 2026 to 91.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/95318
- http://www.securitytracker.com/id/1037571
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2017/ms17-004
- http://www.securityfocus.com/bid/95318
- http://www.securitytracker.com/id/1037571
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2017/ms17-004
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.