CVE-2026-77102CWE-122

CVE-2026-77102

High · published September 8, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

CommServe contained a heap-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00458 · 38.7th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-08T17:17Z
Affected products (4)
ProductVersionsFixed in
commvault/commvault≥ 11.36.0, < 11.36.12311.36.123
commvault/commvault≥ 11.40.0, < 11.40.7211.40.72
commvault/commvault≥ 11.44.0, < 11.44.2011.44.20
commvault/commvault≥ 11.46.0, < 11.46.2011.46.20
References (1)
https://documentation.commvault.com/securityadvisories/CV_2026_08_4.html · 050066fd-a2f9-4f32-ab5d-4c53f48bc333
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 12:12Z
    CommServe Denial of Service
    cvelistv5