How severe is CVE-2007-2455?

CVE-2007-2455 has a CVSS 2.0 base score of 6.1, rated medium severity.

Is CVE-2007-2455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-2455?

CVE-2007-2455 affects Parallels Parallels Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-2455?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-2455 published?

CVE-2007-2455 was published on 2007-05-02 and last updated on 2026-06-16.

CVE-2007-2455

CVE-2007-2455 is a medium-severity vulnerability in Parallels Parallels Desktop with a CVSS 2.0 base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Parallels Parallels Desktop
Published: 2007-05-02
Last modified: 2026-06-16

Description

Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain INT instructions, as demonstrated by INT 0xAA; (2) an IRET instruction when an invalid address is at the top of the stack; (3) a malformed MOVNTI instruction, as demonstrated by using a register as a destination; or a write operation to (4) SEGR6 or (5) SEGR7.

Frequently asked questions

What is CVE-2007-2455?: Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain INT instructions, as demonstrated by INT 0xAA; (2) an IRET instruction when an invalid address is at the top of the stack; (3) a malformed MOVNTI instruction, as demonstrated by using a register as a destination; or a write operation to (4) SEGR6 or (5) SEGR7.
How severe is CVE-2007-2455?: CVE-2007-2455 has a CVSS 2.0 base score of 6.1, rated medium severity.
Is CVE-2007-2455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2455?: CVE-2007-2455 affects Parallels Parallels Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-2455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-2455 published?: CVE-2007-2455 was published on 2007-05-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:*:*:*

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