CVE-2026-58542
Windows Media Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Media Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- Record
CVE-2026-58542- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-122
- Updated
- 2026-11-02
EUVDEUVD-2026-44300
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- Record
EUVD-2026-44300- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5fw3-4hm3-h8hv
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- Record
GHSA-5fw3-4hm3-h8hv- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
NVD
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- Record
CVE-2026-58542- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-58542 is a high vulnerability (CVSS 7.8) in Microsoft Windows 11 Version 24h2, published July 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. No source names a fixed version.