How severe is CVE-2026-27238?

CVE-2026-27238 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-2026-27238 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27238?

CVE-2026-27238 affects Adobe Indesign. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27238?

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-2026-27238 have an EU (EUVD) identifier?

Yes. CVE-2026-27238 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22432.

When was CVE-2026-27238 published?

CVE-2026-27238 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-27238

CVE-2026-27238 is a high-severity vulnerability in Adobe Indesign 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% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22432
Weakness: CWE-122
Affected product: Adobe Indesign
Published: 2026-04-14
Last modified: 2026-06-17

Description

InDesign Desktop versions 20.5.2, 21.2 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-2026-27238?: InDesign Desktop versions 20.5.2, 21.2 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-2026-27238?: CVE-2026-27238 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-2026-27238 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27238?: CVE-2026-27238 affects Adobe Indesign. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27238?: 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-2026-27238 have an EU (EUVD) identifier?: Yes. CVE-2026-27238 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22432.
When was CVE-2026-27238 published?: CVE-2026-27238 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/indesign/apsb26-32.html

Affected products (1)

cpe:2.3:a:adobe:indesign:*:*:*:*:*:*:*:*

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