(0Day) Microsoft Windows MP4 File Parsing Null Pointer Dereference Denial-of-Service Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of MP4 files. The issue results from dereferencing a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Additional Details
10/08/25 - ZDI reported the vulnerability to the vendor
10/08/25 – the vendor acknowledged the receipt of the report
10/20/25 – the vendor communicated that the reported behavior did not meet the bar for immediate servicing
11/26/25 – ZDI notified the vendor of the intention to publish the case as a 0-day advisory on 12/10/25
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product
Disclosure Timeline
- 2025-10-08 - Vulnerability reported to vendor
- 2025-12-10 - Coordinated public release of advisory
- 2025-12-10 - Advisory Updated
Credit
sumin
