CVE-2026-116124

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 36.6% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-10-26.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-26 06:00Z3 DAYS AGO

Last updated

2026-10-26 06:00Z3 DAYS AGO

Reserved

2026-10-25

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

dc24d83f869b1c74aea54d16e9a98ce45157f3fe86d14adeec2aaab8f71ba858

• vuldb.comVDB-426192 | GNOME libgsf OLE2 gsf-infile-msole.c ole_info_read_metabat heap-based overflowhttps://vuldb.com/vuln/426192vdb-entrytechnical-description
• vuldb.comVDB-426192 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/426192/ctisignaturepermissions-required
• vuldb.comCVE-2026-116124 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-116124third-party-advisory
• vuldb.comSubmit #1004965 | GNOME libgsf e3958edf77af1374118c278eb772e51c6fdbe235 Heap-based Buffer Overflowhttps://vuldb.com/submit/1004965third-party-advisory
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/libgsf/-/commit/a8e25560b74f84c3f86df6ca0ac59195fa5af68abroken-linkpatch
• www.gnome.orghttps://www.gnome.org/product