CVE-2026-103678

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 14.3% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-05.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-10-01 11:34Z27 DAYS AGO

Last updated

2026-10-01 15:00Z27 DAYS AGO

Reserved

2026-10-01

Assigning CNA

fedora

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

34ae7e47ad92d27903469a8c4b1b0646689f79b17b8f8771affc80fe26247add

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-103678vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2544476https://bugzilla.redhat.com/show_bug.cgi?id=2544476issue-trackingx_refsource_REDHAT
• github.comhttps://github.com/verdammelt/tnef