CVE-1999-0728

Windows Nt vulnerability

CVSS

7.8

EPSS

5.8%

EPSS pct

92th

Exploited

No known

A Windows NT user can disable the keyboard or mouse by directly calling the IOCTLs which control them.

Affected vendor

Microsoft

Affected product

Windows Nt

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness type (CWE)

CWE-264 — Permissions, Privileges, and Access Controls

Published

1999-07-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-1999-0728

Confirm whether Microsoft Windows Nt is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-1999-0728.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-0728

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-0728 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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