Is CVE-2007-2815 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2007-2815, but active exploitation has not been confirmed.

Can CVE-2007-2815 be exploited remotely?

Yes. CVE-2007-2815 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2007-2815?

CVE-2007-2815 has a CVSS score of 10.0 (CRITICAL).

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CRITICALPOC

CVE-2007-2815

CWE-264Published: May 22, 2007· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

The "hit-highlighting" functionality in webhits.dll in Microsoft Internet Information Services (IIS) Web Server 5.0 only uses Windows NT ACL configuration, which allows remote attackers to bypass NTLM and basic authentication mechanisms and access private web directories via the CiWebhitsfile parameter to null.htw.

NVD Source

Technical Analysis

CVE-2007-2815 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2007-2815. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.