How severe is CVE-2026-34707?

CVE-2026-34707 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-2026-34707 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34707?

CVE-2026-34707 affects Adobe Incopy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34707?

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-2026-34707 have an EU (EUVD) identifier?

Yes. CVE-2026-34707 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35787.

When was CVE-2026-34707 published?

CVE-2026-34707 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-34707

CVE-2026-34707 is a high-severity vulnerability in Adobe Incopy 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-122.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35787
Weakness: CWE-122
Affected product: Adobe Incopy
Published: 2026-06-09
Last modified: 2026-06-17

Description

InCopy versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow 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-2026-34707?: InCopy versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow 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-2026-34707?: CVE-2026-34707 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-2026-34707 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34707?: CVE-2026-34707 affects Adobe Incopy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34707?: 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-2026-34707 have an EU (EUVD) identifier?: Yes. CVE-2026-34707 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35787.
When was CVE-2026-34707 published?: CVE-2026-34707 was published on 2026-06-09 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/incopy/apsb26-59.html

Affected products (1)

cpe:2.3:a:adobe:incopy:*:*:*:*:*:*:*:*

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