How severe is CVE-2026-34639?

CVE-2026-34639 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-2026-34639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34639?

CVE-2026-34639 affects Adobe Media Encoder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34639?

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.

Does CVE-2026-34639 have an EU (EUVD) identifier?

Yes. CVE-2026-34639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29611.

When was CVE-2026-34639 published?

CVE-2026-34639 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-34639

CVE-2026-34639 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)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29611
Weakness: CWE-787
Affected product: Adobe Media Encoder
Published: 2026-05-12
Last modified: 2026-06-17

Description

Media Encoder versions 26.0.2, 25.6.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Frequently asked questions

What is CVE-2026-34639?: Media Encoder versions 26.0.2, 25.6.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2026-34639?: CVE-2026-34639 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-2026-34639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34639?: CVE-2026-34639 affects Adobe Media Encoder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34639?: 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.
Does CVE-2026-34639 have an EU (EUVD) identifier?: Yes. CVE-2026-34639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29611.
When was CVE-2026-34639 published?: CVE-2026-34639 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/media-encoder/apsb26-47.html

Affected products (1)

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

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