How severe is CVE-2026-48397?

CVE-2026-48397 has a CVSS 3.x base score of 8.6, 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-2026-48397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48397?

CVE-2026-48397 affects Adobe Lightroom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48397?

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.

When was CVE-2026-48397 published?

CVE-2026-48397 was published on 2026-08-11 and last updated on 2026-08-13.

CVE-2026-48397

CVE-2026-48397 is a high-severity vulnerability in Adobe Lightroom with a CVSS 3.x base score of 8.6. 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-502.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Adobe Lightroom
Published: 2026-08-11
Last modified: 2026-08-13

Description

Lightroom Classic is affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Frequently asked questions

What is CVE-2026-48397?: Lightroom Classic is affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
How severe is CVE-2026-48397?: CVE-2026-48397 has a CVSS 3.x base score of 8.6, 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-2026-48397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48397?: CVE-2026-48397 affects Adobe Lightroom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48397?: 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.
When was CVE-2026-48397 published?: CVE-2026-48397 was published on 2026-08-11 and last updated on 2026-08-13.

References

https://helpx.adobe.com/security/products/lightroom/apsb26-94.html

Affected products (1)

cpe:2.3:a:adobe:lightroom:*:*:*:*:classic:*:*:*

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