# CVE-2026-12627: Fortra Core Privileged Access Manager stack overflow in boks_autoregisterd

Source: https://junglewise.ai/threats/cve-2026-12627-fortra-s-core-privileged-access-manager-boks-contains-a-stack  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-01. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-12627 · Severity: critical · CVSS 9.8 · Published 2026-10-01

Fortra's Core Privileged Access Manager (BoKS) is a privileged account management system that controls access to critical infrastructure and sensitive data. A stack-based buffer overflow in the autoregistration service allows a remote attacker to crash the service or potentially execute arbitrary code, leading to complete compromise of the access control system and exposure of privileged credentials.

Vendors: [Fortra](https://junglewise.ai/threats/vendors/fortra).

## Quick answers

**Is CVE-2026-12627 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-12627 being exploited in the wild.

**How severe is CVE-2026-12627?** Critical severity, with a CVSS score of 9.8, published 1 October 2026.

**Which products and versions are affected?** Fortra Core Privileged Access Manager (BoKS).

**Is there a fix for CVE-2026-12627?** 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-2026-12627 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-12627?** Check whether you run Fortra Core Privileged Access Manager (BoKS). 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 stack-based buffer overflow exists in the boks_autoregisterd component during processing of client responses. An unauthenticated remote attacker with network access to the autoregistration service can trigger memory corruption by sending a specially crafted response, potentially leading to denial of service or remote code execution.

## Affected products

- Fortra Core Privileged Access Manager (BoKS)

## Timeline

- 2026-10-01: disclosed

## References

- [https://www.fortra.com/security/advisories/product-security/fi-2026-017](https://www.fortra.com/security/advisories/product-security/fi-2026-017)

## Related threats

- [Fortra Core Privileged Access Manager OS command injection in boks_autoregisterd](https://junglewise.ai/threats/cve-2026-9862-fortra-core-privileged-access-manager-os-command-injection-in-boks)