CVE-2026-20483
Medium
Elevated severity or exploit probability.
CVSS base
7.7
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
0.1%
2.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-862
Published 2026-08-03 · modified 2026-08-19
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | N | None |
Timeline
- 2026-08-03 — Published (NVD)
- 2026-08-19 — Last modified (NVD)
Description
In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.