How severe is CVE-2010-2657?

CVE-2010-2657 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-2657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2657?

CVE-2010-2657 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-2657?

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-2010-2657 published?

CVE-2010-2657 was published on 2010-07-08 and last updated on 2026-06-16.

CVE-2010-2657

CVE-2010-2657 is a critical-severity vulnerability in Opera Opera Browser 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-264.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Opera Opera Browser
Published: 2010-07-08
Last modified: 2026-06-16

Description

Opera before 10.60 on Windows and Mac OS X does not properly prevent certain double-click operations from running a program located on a web site, which allows user-assisted remote attackers to execute arbitrary code via a crafted web page that bypasses a dialog.

Frequently asked questions

What is CVE-2010-2657?: Opera before 10.60 on Windows and Mac OS X does not properly prevent certain double-click operations from running a program located on a web site, which allows user-assisted remote attackers to execute arbitrary code via a crafted web page that bypasses a dialog.
How severe is CVE-2010-2657?: CVE-2010-2657 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-2657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2657?: CVE-2010-2657 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-2657?: 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-2010-2657 published?: CVE-2010-2657 was published on 2010-07-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*

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