How severe is CVE-2007-1221?

CVE-2007-1221 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2007-1221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1221?

CVE-2007-1221 primarily affects Microsoft Xbox 360. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1221?

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-2007-1221 published?

CVE-2007-1221 was published on 2007-03-02 and last updated on 2026-06-16.

CVE-2007-1221

CVE-2007-1221 is a high-severity vulnerability in Microsoft Xbox 360 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.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Xbox 360
Published: 2007-03-02
Last modified: 2026-06-16

Description

The Hypervisor in Microsoft Xbox 360 kernel 4532 and 4548 allows attackers with physical access to force execution of the hypervisor syscall with a certain register set, which bypasses intended code protection.

Frequently asked questions

What is CVE-2007-1221?: The Hypervisor in Microsoft Xbox 360 kernel 4532 and 4548 allows attackers with physical access to force execution of the hypervisor syscall with a certain register set, which bypasses intended code protection.
How severe is CVE-2007-1221?: CVE-2007-1221 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2007-1221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1221?: CVE-2007-1221 primarily affects Microsoft Xbox 360. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-1221?: 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-2007-1221 published?: CVE-2007-1221 was published on 2007-03-02 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:h:microsoft:xbox_360:4532:*:*:*:*:*:*:*
cpe:2.3:h:microsoft:xbox_360:4548:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Xbox 360

CVE-2007-1220 — Medium (CVSS 6.2): The Hypervisor in Microsoft Xbox 360 kernel 4532 and 4548 does not properly verify the parameters passed to the syscall…

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