Is CVE-2026-50255 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-50255 being exploited in the wild.

How severe is CVE-2026-50255?

Medium severity, with a CVSS score of 6.7, published 16 June 2026.

Which products and versions are affected?

Sony Optical Disc Archive Software 5.5.3 and earlier.

Is there a fix for CVE-2026-50255?

A patch was published on 2026-06-16: Fixed in version 5.5.4 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-50255 attacked?

It is attacked with local access, in a network appliance.

Am I affected by CVE-2026-50255?

Check whether you run Sony Optical Disc Archive Software at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-50255: Sony Optical Disc Archive Software incorrect default permissions

CVE-2026-50255 · Severity: medium · CVSS 6.7 · Published 2026-06-16

Sony Optical Disc Archive Software, used for managing high-capacity data storage, contains a security flaw in its Windows installer. An attacker with existing low-level access to a computer could exploit improper file permissions to run malicious code with full administrative (SYSTEM) privileges. This could lead to a complete takeover of the affected system and loss of data integrity.

Vendors: Sony.

Quick answers

Is CVE-2026-50255 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-50255 being exploited in the wild.
How severe is CVE-2026-50255?: Medium severity, with a CVSS score of 6.7, published 16 June 2026.
Which products and versions are affected?: Sony Optical Disc Archive Software 5.5.3 and earlier.
Is there a fix for CVE-2026-50255?: A patch was published on 2026-06-16: Fixed in version 5.5.4 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-50255 attacked?: It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-50255?: Check whether you run Sony Optical Disc Archive Software at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A vulnerability classified as Incorrect Default Permissions (CWE-276) exists in the installer for Sony Optical Disc Archive Software for Windows versions 5.5.3 and earlier. The flaw stems from improper file access permission settings established during installation. A local attacker with low-level privileges can exploit these weak permissions to replace or modify files, leading to arbitrary code execution with SYSTEM-level authority. Exploitation requires some user interaction and occurs under high-complexity conditions. Sony has addressed this issue in version 5.5.4.

Affected products

Sony Optical Disc Archive Software 5.5.3 and earlier

Timeline

2026-06-16: disclosed
2026-06-16: advisory
2026-06-16: patched: Fixed in version 5.5.4

References

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