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CVE-1999-1362

11
FAUCET Score

CVE-1999-1362 describes a denial-of-service vulnerability in Win32k.sys affecting Windows NT 4.0 prior to Service Pack 2. This flaw allows local users to crash the system by invoking specific WIN32K functions with malformed parameters. Rated with a low CVSS score of 2.1, it requires local access and has a low attack complexity, resulting in only a partial availability impact. There is no evidence of active exploitation, nor are there any public exploit codes or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 94th percentile among its peer group of 2,096 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.microsoft.com / support/kb/articles/q160/6/01.asp
PatchVendor Advisory
iss.net / security_center/static/7403.php