CVE-2026-58547
Low
No strong exploitation signal.
CVSS base
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.4%
34.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-122
Published 2026-07-14 · modified 2026-07-22
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2026-07-14 — Published (NVD)
- 2026-07-22 — Last modified (NVD)
Description
Heap-based buffer overflow in Universal Plug and Play (upnp.dll) allows an authorized attacker to elevate privileges locally.