How severe is CVE-2017-0016?

CVE-2017-0016 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-0016 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-0016?

CVE-2017-0016 primarily affects Microsoft Windows 10. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-0016?

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

When was CVE-2017-0016 published?

CVE-2017-0016 was published on 2017-03-17 and last updated on 2026-06-17.

CVE-2017-0016

CVE-2017-0016 is a medium-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 5.9. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 7.1
EPSS exploit prediction: 24% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Microsoft Windows 10
Published: 2017-03-17
Last modified: 2026-06-17

Description

Microsoft Windows 10 Gold, 1511, and 1607; Windows 8.1; Windows RT 8.1; Windows Server 2012 R2, and Windows Server 2016 do not properly handle certain requests in SMBv2 and SMBv3 packets, which allows remote attackers to execute arbitrary code via a crafted SMBv2 or SMBv3 packet to the Server service, aka "SMBv2/SMBv3 Null Dereference Denial of Service Vulnerability."

Frequently asked questions

What is CVE-2017-0016?: Microsoft Windows 10 Gold, 1511, and 1607; Windows 8.1; Windows RT 8.1; Windows Server 2012 R2, and Windows Server 2016 do not properly handle certain requests in SMBv2 and SMBv3 packets, which allows remote attackers to execute arbitrary code via a crafted SMBv2 or SMBv3 packet to the Server service, aka "SMBv2/SMBv3 Null Dereference Denial of Service Vulnerability."
How severe is CVE-2017-0016?: CVE-2017-0016 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-0016 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-0016?: CVE-2017-0016 primarily affects Microsoft Windows 10. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-0016?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-0016 published?: CVE-2017-0016 was published on 2017-03-17 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

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