Fortra's Core Privileged Access Manager (BoKS) Stack-Based Buffer Overflow Flaw (CVE-2026-12627) Rated CVSS 9.8
A newly published critical vulnerability in Fortra's Core Privileged Access Manager (BoKS) carries a CVSS score of 9.8. Here is what is affected and how to respond.
Key points
- CVE-2026-12627 affects Fortra's Core Privileged Access Manager (BoKS).
- CVSS 9.8 (Critical).
- No exploitation confirmed yet.
Fortra's Core Privileged Access Manager (BoKS) is affected by CVE-2026-12627, a stack-based buffer overflow that the National Vulnerability Database rates 9.8 out of 10.
At a glance
- CVE
- CVE-2026-12627
- Product
- Fortra's Core Privileged Access Manager (BoKS)
- CVSS
- 9.8 Critical
- Weakness
- stack-based buffer overflow
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: Fortra's Core Privileged Access Manager (BoKS) contains a stack-based buffer overflow vulnerability in boks_autoregisterd. A remote attacker with network access to the autoregistration service may be able to trigger memory corruption during client response processing.
Affected versions
| Vendor | Product | Versions |
|---|---|---|
| Fortra | Fortra's Core Privileged Access Manager (BoKS) | up to 8.1.0.23, up to 9.0.0.6 |
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-12627
- Patch scores alone ignore context like network exposure and asset criticality.
- You must map vulnerabilities to specific business risks to prioritize correctly.
- Continuous exposure data replaces static scanning for accurate prioritization.
Prioritize vulnerabilities by actual exploitability and business impact, not by theoretical severity scores. Update your asset context and exposure data continuously to maintain accurate risk rankings.
Step-by-step guide: Risk Based Vulnerability Management: Prioritize Fixes by Actual Threat
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-12627?
CVE-2026-12627 is a stack-based buffer overflow vulnerability in Fortra's Core Privileged Access Manager (BoKS).
How severe is CVE-2026-12627?
It has a CVSS score of 9.8 Critical.
Is CVE-2026-12627 being exploited?
There is no public confirmation of exploitation at the time of publication.
