How severe is CVE-2017-3077?

CVE-2017-3077 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-2017-3077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3077?

CVE-2017-3077 primarily affects Adobe Flash Player. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3077?

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-2017-3077 published?

CVE-2017-3077 was published on 2017-06-20 and last updated on 2026-06-17.

CVE-2017-3077

CVE-2017-3077 is a critical-severity vulnerability in Adobe Flash Player with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Adobe Flash Player
Published: 2017-06-20
Last modified: 2026-06-17

Description

Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable memory corruption vulnerability in the PNG image parser. Successful exploitation could lead to arbitrary code execution.

Frequently asked questions

What is CVE-2017-3077?: Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable memory corruption vulnerability in the PNG image parser. Successful exploitation could lead to arbitrary code execution.
How severe is CVE-2017-3077?: CVE-2017-3077 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-2017-3077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3077?: CVE-2017-3077 primarily affects Adobe Flash Player. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3077?: 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-2017-3077 published?: CVE-2017-3077 was published on 2017-06-20 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

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