How severe is CVE-2010-1392?

CVE-2010-1392 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-1392 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1392?

CVE-2010-1392 primarily affects Apple Safari. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1392?

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-2010-1392 published?

CVE-2010-1392 was published on 2010-06-11 and last updated on 2026-06-16.

CVE-2010-1392

CVE-2010-1392 is a critical-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 9.3. 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-399.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Apple Safari
Published: 2010-06-11
Last modified: 2026-06-16

Description

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to HTML buttons and the first-letter CSS style.

Frequently asked questions

What is CVE-2010-1392?: Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to HTML buttons and the first-letter CSS style.
How severe is CVE-2010-1392?: CVE-2010-1392 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-1392 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1392?: CVE-2010-1392 primarily affects Apple Safari. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1392?: 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-2010-1392 published?: CVE-2010-1392 was published on 2010-06-11 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:4.0.0b:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apple:webkit:*:*:*:*:*:*:*:*

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