Local privilege escalation in Windows Server OS through installed Tetra Connectivity Server (TCS)

published 2026-04-03 7 mo ago modified 2026-07-24 3 mo ago also EUVD-2025-209201

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Incorrect Default Permissions vulnerability in AIRBUS PSS TETRA Connectivity Server on Windows Server OS allows Privilege Abuse.

An attacker may execute arbitrary code with SYSTEM privileges if a user is tricked or directed to place a crafted file into the vulnerable directory.

This issue affects TETRA connectivity Server: 7.0.

Vulnerability fix is available and delivered to impacted customers.

Patch / fix

fixed in 1

AIRBUS TETRA Connectivity Server (TCS) 8.0, 9.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 7 mo ago (2026-04-03)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.6	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U
CNA	3.1	7.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CNA	4.0	5.6	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

AIRBUS TETRA Connectivity Server (TCS)

Classification

Weakness

CWE-276 Incorrect Default Permissions

References

cwe.mitre.org /data/definitions/276.html
not-applicable

Sources

CVE List CVE-2025-7024
NVD CVE-2025-7024

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary