Quick answers
- Is CVE-2026-48574 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-48574 being exploited in the wild.
- How severe is CVE-2026-48574?
- High severity, with a CVSS score of 7.8, published 9 June 2026.
- Which products and versions are affected?
- Microsoft Windows Media.
- Is there a fix for CVE-2026-48574?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-48574 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-48574?
- Check whether you run Microsoft Windows Media Player. 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 heap-based buffer overflow (CWE-122) exists within the Windows Media component. The vulnerability is triggered when the application improperly handles a specially crafted media file, leading to memory corruption. While the attack vector is local, it requires user interaction (UI:R), typically involving a user opening a malicious file provided by the attacker. Successful exploitation allows an unauthenticated attacker to execute arbitrary code with the privileges of the logged-in user, potentially leading to a full system compromise. Microsoft has released information regarding this vulnerability via their Security Update Guide.
Affected products
- Microsoft Windows Media
Timeline
- 2026-06-09: disclosed
- 2026-06-09: advisory