How severe is CVE-2017-3100?

CVE-2017-3100 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-3100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3100?

CVE-2017-3100 primarily affects Adobe Flash Player Desktop Runtime. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3100?

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

When was CVE-2017-3100 published?

CVE-2017-3100 was published on 2017-07-17 and last updated on 2026-06-17.

CVE-2017-3100

CVE-2017-3100 is a medium-severity vulnerability in Adobe Flash Player Desktop Runtime with a CVSS 3.x base score of 6.5. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Adobe Flash Player Desktop Runtime
Published: 2017-07-17
Last modified: 2026-06-17

Description

Adobe Flash Player versions 26.0.0.131 and earlier have an exploitable memory corruption vulnerability in the Action Script 2 BitmapData class. Successful exploitation could lead to memory address disclosure.

Frequently asked questions

What is CVE-2017-3100?: Adobe Flash Player versions 26.0.0.131 and earlier have an exploitable memory corruption vulnerability in the Action Script 2 BitmapData class. Successful exploitation could lead to memory address disclosure.
How severe is CVE-2017-3100?: CVE-2017-3100 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-3100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3100?: CVE-2017-3100 primarily affects Adobe Flash Player Desktop Runtime. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3100 published?: CVE-2017-3100 was published on 2017-07-17 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*
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:*:*

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