CVE-2007-5351

CVE-2007-5351 is a critical-severity vulnerability in Microsoft Windows Vista with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 41% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Description

Unspecified vulnerability in Server Message Block Version 2 (SMBv2) signing support in Microsoft Windows Vista allows remote attackers to force signature re-computation and execute arbitrary code via a crafted SMBv2 packet, aka "SMBv2 Signing Vulnerability."

Frequently asked questions

What is CVE-2007-5351?
Unspecified vulnerability in Server Message Block Version 2 (SMBv2) signing support in Microsoft Windows Vista allows remote attackers to force signature re-computation and execute arbitrary code via a crafted SMBv2 packet, aka "SMBv2 Signing Vulnerability."
How severe is CVE-2007-5351?
CVE-2007-5351 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-5351 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5351?
CVE-2007-5351 primarily affects Microsoft Windows Vista. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5351?
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-2007-5351 published?
CVE-2007-5351 was published on 2007-12-12 and last updated on 2026-06-16.

References

Affected products (2)

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