How severe is CVE-2016-9676?

CVE-2016-9676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-9676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9676?

CVE-2016-9676 primarily affects Citrix Provisioning Services. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9676?

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-2016-9676 published?

CVE-2016-9676 was published on 2017-01-18 and last updated on 2026-06-17.

CVE-2016-9676

CVE-2016-9676 is a critical-severity vulnerability in Citrix Provisioning Services with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Citrix Provisioning Services
Published: 2017-01-18
Last modified: 2026-06-17

Description

Buffer overflow in Citrix Provisioning Services before 7.12 allows attackers to execute arbitrary code via unspecified vectors.

Frequently asked questions

What is CVE-2016-9676?: Buffer overflow in Citrix Provisioning Services before 7.12 allows attackers to execute arbitrary code via unspecified vectors.
How severe is CVE-2016-9676?: CVE-2016-9676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-9676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9676?: CVE-2016-9676 primarily affects Citrix Provisioning Services. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9676?: 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-2016-9676 published?: CVE-2016-9676 was published on 2017-01-18 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:citrix:provisioning_services:7.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:provisioning_services:7.1:*:*:*:*:*:*:*
cpe:2.3:a:citrix:provisioning_services:7.6:*:*:*:*:*:*:*
cpe:2.3:a:citrix:provisioning_services:7.7:*:*:*:*:*:*:*
cpe:2.3:a:citrix:provisioning_services:7.8:*:*:*:*:*:*:*
cpe:2.3:a:citrix:provisioning_services:7.9:*:*:*:*:*:*:*
cpe:2.3:a:citrix:provisioning_services:7.11:*:*:*:*:*:*:*

More vulnerabilities in Citrix Provisioning Services

CVE-2016-9679 — Critical (CVSS 9.8): Citrix Provisioning Services before 7.12 allows attackers to execute arbitrary code by overwriting a function pointer.
CVE-2016-9678 — Critical (CVSS 9.8): Use-after-free vulnerability in Citrix Provisioning Services before 7.12 allows attackers to execute arbitrary code via…
CVE-2016-9680 — High (CVSS 7.5): Citrix Provisioning Services before 7.12 allows attackers to obtain sensitive information from kernel memory via…
CVE-2012-4068 — High (CVSS 7.5): Heap-based buffer overflow in the SoapServer service in Citrix Provisioning Services 5.0, 5.1, 5.6, 5.6 SP1, 6.0, and…
CVE-2016-9677 — Medium (CVSS 5.3): Citrix Provisioning Services before 7.12 allows attackers to obtain sensitive kernel address information via…

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