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CVE-1999-0700

26
FAUCET Score

CVE-1999-0700 describes a buffer overflow vulnerability in Microsoft Phone Dialer (dialer.exe) affecting Microsoft Windows 2000 and Windows NT. This flaw can be triggered by a specially crafted entry within the dialer.ini file. With a CVSS score of 6.2 (MEDIUM), it requires local access and high attack complexity, but successful exploitation could lead to complete compromise of confidentiality, integrity, and availability. While not actively exploited in the wild and not on the KEV catalog, a proof-of-concept exploit exists on ExploitDB, though there is no recorded community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:4.0:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.2MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.89%
Probability of exploitation in next 30 days
EPSS Percentile
85.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-19440 · Jul 30, 1999
This CVE's current EPSS score of 0.0289 is in the 97th percentile among its peer group of 1,595 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 0.1 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

docs.microsoft.com / en-us/security-updates/securitybulletins/1999/ms99-026
support.microsoft.com / default.aspx