How severe is CVE-2016-0044?

CVE-2016-0044 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-0044 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-0044?

CVE-2016-0044 primarily affects Microsoft Windows 8.1. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-0044?

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-2016-0044 published?

CVE-2016-0044 was published on 2016-02-10 and last updated on 2026-06-17.

CVE-2016-0044

CVE-2016-0044 is a high-severity vulnerability in Microsoft Windows 8.1 with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Windows 8.1
Published: 2016-02-10
Last modified: 2026-06-17

Description

Sync Framework in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1 allows remote attackers to cause a denial of service (SyncShareSvc service outage) via crafted "change batch" data, aka "Windows DLL Loading Denial of Service Vulnerability."

Frequently asked questions

What is CVE-2016-0044?: Sync Framework in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1 allows remote attackers to cause a denial of service (SyncShareSvc service outage) via crafted "change batch" data, aka "Windows DLL Loading Denial of Service Vulnerability."
How severe is CVE-2016-0044?: CVE-2016-0044 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-0044 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-0044?: CVE-2016-0044 primarily affects Microsoft Windows 8.1. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-0044?: 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-2016-0044 published?: CVE-2016-0044 was published on 2016-02-10 and last updated on 2026-06-17.

References

Affected products (3)

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:*:*:*:*:*:*:*

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