How severe is CVE-2009-2027?

CVE-2009-2027 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2009-2027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2027?

CVE-2009-2027 primarily affects Apple Safari. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2027?

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

When was CVE-2009-2027 published?

CVE-2009-2027 was published on 2009-06-10 and last updated on 2026-06-16.

CVE-2009-2027

CVE-2009-2027 is a high-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Apple Safari
Published: 2009-06-10
Last modified: 2026-06-16

Description

The Installer in Apple Safari before 4.0 on Windows allows local users to gain privileges by checking a box that specifies an immediate launch of the application after installation, related to an unspecified compression method.

Frequently asked questions

What is CVE-2009-2027?: The Installer in Apple Safari before 4.0 on Windows allows local users to gain privileges by checking a box that specifies an immediate launch of the application after installation, related to an unspecified compression method.
How severe is CVE-2009-2027?: CVE-2009-2027 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2009-2027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2027?: CVE-2009-2027 primarily affects Apple Safari. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-2027 published?: CVE-2009-2027 was published on 2009-06-10 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:apple:safari:*:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.2:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.3:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.4:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1.2:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2:-:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2.2:*:windows:*:*:*:*:*

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