How severe is CVE-2021-42263?

CVE-2021-42263 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-2021-42263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42263?

CVE-2021-42263 affects Adobe Premiere Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42263?

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

When was CVE-2021-42263 published?

CVE-2021-42263 was published on 2022-03-16 and last updated on 2026-06-17.

CVE-2021-42263

CVE-2021-42263 is a medium-severity vulnerability in Adobe Premiere Pro 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)
CVSS v2: 4.3
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Adobe Premiere Pro
Published: 2022-03-16
Last modified: 2026-06-17

Description

Adobe Premiere Pro 15.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-2021-42263?: Adobe Premiere Pro 15.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-2021-42263?: CVE-2021-42263 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-2021-42263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42263?: CVE-2021-42263 affects Adobe Premiere Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42263 published?: CVE-2021-42263 was published on 2022-03-16 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/premiere_pro/apsb21-100.html

Affected products (1)

cpe:2.3:a:adobe:premiere_pro:*:*:*:*:*:*:*:*

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