CVE-2026-58600High· 7.8▾ TwilightHeap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 9.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
0.3% → 0.5%
Last analysed / modified upstream
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.
hevc_video_extensions < 2.4.87.0hevc_video_extensions_for_licensed_applications < 2.4.85.0hevc_video_extensions_from_device_manufacturer < 2.4.86.0hevc_video_extensions_from_device_manufacturer < 2.5.25.0Upgrade past the affected range:
hevc_video_extensions 2.4.87.0hevc_video_extensions_for_licensed_applications 2.4.85.0hevc_video_extensions_from_device_manufacturer 2.5.25.0Connected by shared product, vendor, weakness, or advisory.
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