Is CVE-2026-116124 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-116124 being exploited in the wild.

How severe is CVE-2026-116124?

Medium severity, with a CVSS score of 6.3, published 26 October 2026.

Is there a fix for CVE-2026-116124?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-116124 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-116124?

Check whether you run Gnome Libgsf at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-116124: GNOME libgsf heap buffer overflow in OLE2 parser

CVE-2026-116124 · Severity: medium · CVSS 6.3 · Published 2026-10-26

GNOME libgsf is a library used to parse spreadsheet and document formats. A heap buffer overflow in the OLE2 parser component could allow an attacker to crash the application or potentially execute arbitrary code when processing a specially crafted file.

Vendors: Gnome.

Quick answers

Is CVE-2026-116124 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-116124 being exploited in the wild.
How severe is CVE-2026-116124?: Medium severity, with a CVSS score of 6.3, published 26 October 2026.
Which products and versions are affected?: Gnome Libgsf up to 1.14.60.
Is there a fix for CVE-2026-116124?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-116124 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-116124?: Check whether you run Gnome Libgsf at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A heap-based buffer overflow exists in the ole_info_read_metabat function within gsf/gsf-infile-msole.c of the OLE2 Parser component. The vulnerability can be triggered remotely by providing a malicious OLE file, leading to memory corruption and potential code execution. A patch is available via commit a8e25560b74f84c3f86df6ca0ac59195fa5af68a.

Affected products

GNOME libgsf up to 1.14.60

Timeline

2026-10-26: disclosed

References

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