How severe is CVE-2020-9646?

CVE-2020-9646 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9646?

CVE-2020-9646 affects Adobe Media Encoder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9646?

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-2020-9646 published?

CVE-2020-9646 was published on 2020-07-17 and last updated on 2026-06-17.

CVE-2020-9646

CVE-2020-9646 is a high-severity vulnerability in Adobe Media Encoder with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Adobe Media Encoder
Published: 2020-07-17
Last modified: 2026-06-17

Description

Adobe Media Encoder versions 14.2 and earlier have an out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution.

Frequently asked questions

What is CVE-2020-9646?: Adobe Media Encoder versions 14.2 and earlier have an out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution.
How severe is CVE-2020-9646?: CVE-2020-9646 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9646?: CVE-2020-9646 affects Adobe Media Encoder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9646?: 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-2020-9646 published?: CVE-2020-9646 was published on 2020-07-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:adobe:media_encoder:*:*:*:*:*:*:*:*

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