How severe is CVE-2016-0959?

CVE-2016-0959 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-2016-0959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-0959?

CVE-2016-0959 primarily affects Adobe Flash Player. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-0959?

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-2016-0959 published?

CVE-2016-0959 was published on 2017-06-27 and last updated on 2026-06-17.

CVE-2016-0959

CVE-2016-0959 is a critical-severity vulnerability in Adobe Flash Player 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-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Adobe Flash Player
Published: 2017-06-27
Last modified: 2026-06-17

Description

Use after free vulnerability in Adobe Flash Player Desktop Runtime before 20.0.0.267, Adobe Flash Player Extended Support Release before 18.0.0.324, Adobe Flash Player for Google Chrome before 20.0.0.267, Adobe Flash Player for Microsoft Edge and Internet Explorer 11 before 20.0.0.267, Adobe Flash Player for Internet Explorer 10 and 11 before 20.0.0.267, Adobe Flash Player for Linux before 11.2.202.559, AIR Desktop Runtime before 20.0.0.233, AIR SDK before 20.0.0.233, AIR SDK & Compiler before 20.0.0.233, AIR for Android before 20.0.0.233.

Frequently asked questions

What is CVE-2016-0959?: Use after free vulnerability in Adobe Flash Player Desktop Runtime before 20.0.0.267, Adobe Flash Player Extended Support Release before 18.0.0.324, Adobe Flash Player for Google Chrome before 20.0.0.267, Adobe Flash Player for Microsoft Edge and Internet Explorer 11 before 20.0.0.267, Adobe Flash Player for Internet Explorer 10 and 11 before 20.0.0.267, Adobe Flash Player for Linux before 11.2.202.559, AIR Desktop Runtime before 20.0.0.233, AIR SDK before 20.0.0.233, AIR SDK & Compiler before 20.0.0.233, AIR for Android before 20.0.0.233.
How severe is CVE-2016-0959?: CVE-2016-0959 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-2016-0959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-0959?: CVE-2016-0959 primarily affects Adobe Flash Player. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-0959?: 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-2016-0959 published?: CVE-2016-0959 was published on 2017-06-27 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player_extended_support_release:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*
cpe:2.3:a:adobe:flash_player_for_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:air:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:air_sdk_\&_compiler:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:air:*:*:*:*:*:android:*:*
cpe:2.3:a:adobe:air_sdk:*:*:*:*:*:*:*:*

More vulnerabilities in Adobe Flash Player

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