CVE-2026-82061CWE-416

CVE-2026-82061

High · published September 8, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
43.7
In the wild
Unconfirmed
What it is

A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
7.2 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00525 · 43.7th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-08T21:18Z
Affected products (1)
ProductVersionsFixed in
mongodb/mongodb≥ 8.3.0, < 8.3.98.3.9
References (1)
https://jira.mongodb.org/browse/SERVER-130907 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 16:12Z
    Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service
    cvelistv5