How severe is CVE-2026-21288?

CVE-2026-21288 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-2026-21288 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-2026-21288?

CVE-2026-21288 primarily affects Adobe Illustrator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-21288?

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

Does CVE-2026-21288 have an EU (EUVD) identifier?

Yes. CVE-2026-21288 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2068.

When was CVE-2026-21288 published?

CVE-2026-21288 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-21288

CVE-2026-21288 is a medium-severity vulnerability in Adobe Illustrator 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2068
Weakness: CWE-476
Affected product: Adobe Illustrator
Published: 2026-01-13
Last modified: 2026-06-17

Description

Illustrator versions 29.8.3, 30.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Frequently asked questions

What is CVE-2026-21288?: Illustrator versions 29.8.3, 30.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2026-21288?: CVE-2026-21288 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-2026-21288 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-2026-21288?: CVE-2026-21288 primarily affects Adobe Illustrator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-21288?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21288 have an EU (EUVD) identifier?: Yes. CVE-2026-21288 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2068.
When was CVE-2026-21288 published?: CVE-2026-21288 was published on 2026-01-13 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/illustrator/apsb26-03.html

Affected products (2)

cpe:2.3:a:adobe:illustrator:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:illustrator:30.0:*:*:*:*:*:*:*

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