Vulnerability in Baramundi Software Management Suite

CVE-2026-8863

Multiple Microsoft-sigend UEFI SHIM bootloaders are vulnerable to SecureBoot bypass. An attacker with administrative privileges or the ability to modify the boot process could use one of the vulnerable shim bootloaders to bypass Secure Boo…

EPSS: 0.001 (1.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-8863?
CVE-2026-8863 is a high-severity vulnerability in Baramundi Software Management Suite, classified under CWE-347: IMPROPER VERIFICATION OF CRYPTOGRAPHIC SIGNATURE. CVSS score: 7.8/10. Published 2026-06-09.
How severe is CVE-2026-8863?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2026-8863 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.