CVE-2007-2999

1.8 LOW 2% exploit odds Fix listed

What it is

Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 1.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2007-06-04 17:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:40 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.6% in the next 30 days (EPSS).
Severity: 1.8 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2007-06-04 17:30 UTC
Last modified: 2026-06-16 22:40 UTC
Exploit probability: 1.6% · EPSS, next 30 days
Record status: Modified

Affected

Microsoft Windows 2003 Server Gold
Microsoft Windows 2003 Server sp1
Microsoft Windows 2003 Server sp2

Attack profile CVSS 2.0 · 1.8

Attack vector: Adjacent network
Complexity: High
Authentication: None
Confidentiality: Partial
Integrity: None
Availability: None

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-2999.md and follow it. Check whether this project is affected by CVE-2007-2999. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record