Which products and versions are affected by CVE-2017-0004?

Affected: Windows 7 (Microsoft); Windows Server 2008 (Microsoft) versions r2-sp1; Windows Vista (Microsoft). The full list is in the CVE brief.

Is CVE-2017-0004 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2017-0004 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2017-0004?

No public exploit code is known.

Is there a fix for CVE-2017-0004?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2017-0004 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2017-0004

High

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…

Published Jan 10, 2017 · Updated May 6, 2026

Key Facts

Patch immediately

CVE-2017-0004 is a high-severity vulnerability (CVSS 7.5 v3) affecting Windows 7 (Microsoft), Windows Server 2008 (Microsoft), Windows Vista (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 91% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS (30-day exploit likelihood)

91%

Higher than 99.8% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2017-0004 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

4 affected entries in total

Product	Affected versions	Fixed in
Windows 7Microsoft	See advisory	n/a
Windows Server 2008Microsoft	r2-sp1	n/a
Windows VistaMicrosoft	See advisory	n/a

Timeline

Publicly disclosed
Jan 10, 2017
Last updated
May 6, 2026

Weakness Type

CWE-20 Improper Input Validation

References

otherMS17-004
other95318
other1037571

FAQ

Common Questions.

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 Vulnerabilit…
Affected: Windows 7 (Microsoft); Windows Server 2008 (Microsoft) versions r2-sp1; Windows Vista (Microsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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