How severe is CVE-2026-21353?

CVE-2026-21353 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-2026-21353 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-2026-21353?

CVE-2026-21353 affects Adobe Dng Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21353?

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-2026-21353 have an EU (EUVD) identifier?

Yes. CVE-2026-21353 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6738.

When was CVE-2026-21353 published?

CVE-2026-21353 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2026-21353

CVE-2026-21353 is a high-severity vulnerability in Adobe Dng Software Development Kit 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-190.

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-2026-6738
Weakness: CWE-190
Affected product: Adobe Dng Software Development Kit
Published: 2026-02-10
Last modified: 2026-06-17

Description

DNG SDK versions 1.7.1 2410 and earlier are affected by an Integer Overflow or Wraparound 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-2026-21353?: DNG SDK versions 1.7.1 2410 and earlier are affected by an Integer Overflow or Wraparound 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-2026-21353?: CVE-2026-21353 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-2026-21353 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-2026-21353?: CVE-2026-21353 affects Adobe Dng Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21353?: 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-2026-21353 have an EU (EUVD) identifier?: Yes. CVE-2026-21353 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6738.
When was CVE-2026-21353 published?: CVE-2026-21353 was published on 2026-02-10 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/dng-sdk/apsb26-23.html

Affected products (1)

cpe:2.3:a:adobe:dng_software_development_kit:*:*:*:*:*:*:*:*

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CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
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