How severe is CVE-2025-21126?

CVE-2025-21126 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-21126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21126?

CVE-2025-21126 primarily affects Adobe Indesign. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21126?

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

Does CVE-2025-21126 have an EU (EUVD) identifier?

Yes. CVE-2025-21126 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2233.

When was CVE-2025-21126 published?

CVE-2025-21126 was published on 2025-02-11 and last updated on 2026-06-17.

CVE-2025-21126

CVE-2025-21126 is a medium-severity vulnerability in Adobe Indesign with a CVSS 3.x base score of 5.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2233
Weakness: CWE-20
Affected product: Adobe Indesign
Published: 2025-02-11
Last modified: 2026-06-17

Description

InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service condition. An attacker could exploit this vulnerability to cause the application to crash, resulting in a denial of service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Frequently asked questions

What is CVE-2025-21126?: InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service condition. An attacker could exploit this vulnerability to cause the application to crash, resulting in a denial of service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2025-21126?: CVE-2025-21126 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-21126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21126?: CVE-2025-21126 primarily affects Adobe Indesign. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-21126 have an EU (EUVD) identifier?: Yes. CVE-2025-21126 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2233.
When was CVE-2025-21126 published?: CVE-2025-21126 was published on 2025-02-11 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/indesign/apsb25-01.html

Affected products (2)

cpe:2.3:a:adobe:indesign:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:indesign:20.0:*:*:*:*:*:*:*

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