CVE-2026-101927CWE-122

CVE-2026-101927

High · published October 14, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
4.2
In the wild
Unconfirmed
What it is

A Heap-based Buffer Overflow vulnerability in eventd of Juniper Networks Junos OS and Junos OS Evolved on all platforms allows an unprivileged local attacker to cause a denial of service (DoS) or achieve privilege escalation to root via crafted IPC event messages.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.6 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:N/R:A/V:C/RE:M
EPSS
0.00155 · 4.2th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-10-14T21:17Z
References (1)
https://supportportal.juniper.net/JSA112187 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:39Z
    Junos OS and Junos OS Evolved: An unprivileged local attacker causes denial of service or privilege escalation
    cvelistv5
  • 14 OCT 16:39Z
    Junos OS and Junos OS Evolved: An unprivileged local attacker causes denial of service or privilege escalation
    cvelistv5