How severe is CVE-2007-6243?

CVE-2007-6243 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-6243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6243?

CVE-2007-6243 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6243?

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-2007-6243 published?

CVE-2007-6243 was published on 2007-12-20 and last updated on 2026-06-16.

CVE-2007-6243

CVE-2007-6243 is a critical-severity vulnerability in Adobe Flash Player 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: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Adobe Flash Player
Published: 2007-12-20
Last modified: 2026-06-16

Description

Adobe Flash Player 9.x up to 9.0.48.0, 8.x up to 8.0.35.0, and 7.x up to 7.0.70.0 does not sufficiently restrict the interpretation and usage of cross-domain policy files, which makes it easier for remote attackers to conduct cross-domain and cross-site scripting (XSS) attacks.

Frequently asked questions

What is CVE-2007-6243?: Adobe Flash Player 9.x up to 9.0.48.0, 8.x up to 8.0.35.0, and 7.x up to 7.0.70.0 does not sufficiently restrict the interpretation and usage of cross-domain policy files, which makes it easier for remote attackers to conduct cross-domain and cross-site scripting (XSS) attacks.
How severe is CVE-2007-6243?: CVE-2007-6243 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-6243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6243?: CVE-2007-6243 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6243?: 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-2007-6243 published?: CVE-2007-6243 was published on 2007-12-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

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