CVE-2026-15997

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:P/AU:N/R:A/V:D/RE:M/U:Amber

NVD analysis status

Deferred. NVD last modified this record on 2026-07-17.

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

2026-07-16 22:17Z1 MO AGO

Last updated

2026-07-17 13:12Z1 MO AGO

Reserved

2026-07-16

Assigning CNA

bcorg

Record state

PUBLISHED

Severity

Low (CVSS 1.7)

CNA CVSS vector

CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/S:P/AU:N/R:A/V:D/RE:M/U:Amber

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

7335a5195b21a265973079041286d6b7f4f68d618569bfe34429ca3621ec5ff0

• github.comhttps://github.com/bcgit/bc-lts-java/wiki/CVE-2026-15997