How severe is CVE-2006-7027?

CVE-2006-7027 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2006-7027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-7027?

CVE-2006-7027 affects Microsoft Isa Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-7027?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2006-7027 published?

CVE-2006-7027 was published on 2007-02-23 and last updated on 2026-06-16.

CVE-2006-7027

CVE-2006-7027 is a critical-severity vulnerability in Microsoft Isa Server with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Isa Server
Published: 2007-02-23
Last modified: 2026-06-16

Description

Microsoft Internet Security and Acceleration (ISA) Server 2004 logs unusual ASCII characters in the Host header, including the tab, which allows remote attackers to manipulate portions of the log file and possibly leverage this for other attacks.

Frequently asked questions

What is CVE-2006-7027?: Microsoft Internet Security and Acceleration (ISA) Server 2004 logs unusual ASCII characters in the Host header, including the tab, which allows remote attackers to manipulate portions of the log file and possibly leverage this for other attacks.
How severe is CVE-2006-7027?: CVE-2006-7027 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-7027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-7027?: CVE-2006-7027 affects Microsoft Isa Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-7027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-7027 published?: CVE-2006-7027 was published on 2007-02-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:isa_server:2004:*:*:*:*:*:*:*

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