CVE-2026-40688

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 ImpacttotalSuccessful exploitation gives total 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

6.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 93.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-24.

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

2026-04-14 22:35Z4 MO AGO

Last updated

2026-04-16 03:55Z4 MO AGO

Reserved

2026-04-14

Assigning CNA

fortinet

Record state

PUBLISHED

Severity

Medium (CVSS 6.7)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

c6609cdf2ead5121ad3938ce799c6b610e8408da866fcde20dc861bd823d4eb2

• fortiguard.fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-127