Security readout for executives and security teams
Plain-English summary
CVE-2026-24414 is a Windows permission flaw in Icinga for Windows. A certificate directory is readable by all local users, exposing the host’s Icinga private key. This is not described as remotely exploitable, but any organization with shared or lower-trust Windows access should treat it as important.
Executive priority
Prioritize remediation in the next regular security maintenance window, faster for shared Windows systems or sensitive monitoring environments. The issue is not reported as actively exploited, but private key exposure can weaken monitoring trust and should not remain unresolved.
Technical view
Affected icinga-powershell-framework versions before 1.13.4, 1.12.4, and 1.11.2 set overly broad read permissions on the certificate directory. A local low-privileged user can read the Icinga certificate private key. The advisory lists CWE-276 and CVSS 4.0 score 6.8 with local attack vector and high confidentiality impact.
Likely exposure
Exposure is limited to Windows hosts running affected Icinga for Windows versions. The source states all installations of those versions are affected. Risk is higher where untrusted or many users have local access to monitored Windows systems.
Exploitation context
The vulnerability requires local user privileges and no user interaction. Sources do not report active exploitation, and the CVE is not marked KEV. Impact is disclosure of the host’s Icinga private key, which may undermine trust in monitoring communications.
Researcher notes
The public record names icinga-powershell-framework affected ranges only. It also states upgrading fixed Icinga for Windows versions automatically fixes a similar Icinga 2 issue. No public source in the bundle provides exploitation in the wild or additional affected products.
Mitigation direction
- Upgrade Icinga for Windows to 1.13.4, 1.12.4, or 1.11.2 as applicable.
- Apply vendor guidance for the related Icinga 2 issue, CVE-2026-24413.
- If not upgrading immediately, restrict ACLs on the Icinga for Windows certificate directory.
- Also restrict ACLs on the Icinga 2 agent var directory where applicable.
- Allow access only for the Icinga service user and administrators.
Validation and detection
- Inventory Windows hosts running Icinga for Windows.
- Confirm installed framework versions against the affected version ranges.
- Check certificate directory permissions for broad read access by general users.
- Verify fixed versions are installed after remediation.
- Confirm restricted ACLs persist across subfolders and contained items.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-276: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-24414 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.8 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.8MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/Icinga/icinga-powershell-framework/security/advisories/GHSA-88h5-rrm6-5973CVE reference · x_refsource_CONFIRM
- https://github.com/Icinga/icinga2/security/advisories/GHSA-vfjg-6fpv-4mmrCVE reference · x_refsource_MISC
- https://icinga.com/blog/releasing-icinga-2-v2-15-2-v2-14-8-v2-13-14-and-icinga-for-windows-v1-13-4-v1-12-4-v1-11-2CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Default Permissions
Incorrect Default Permissions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.