Tanium Endpoint Configuration Toolset Solution index-cx heap-based overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k1.65

Summaryinfo

A vulnerability was found in Tanium Endpoint Configuration Toolset Solution and classified as very critical. This issue affects some unknown processing of the component index-cx. Such manipulation leads to heap-based overflow. This vulnerability is listed as CVE-2026-108307. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Tanium Endpoint Configuration Toolset Solution (the affected version is unknown). It has been rated as very critical. Affected by this issue is an unknown code of the component index-cx. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Tanium addressed a heap-based buffer overflow vulnerability in Index.

The advisory is shared for download at security.tanium.com. This vulnerability is handled as CVE-2026-108307 since 10/09/2026. The exploitation is known to be easy. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/27/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.2
VulDB Temp Score: 8.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Tanium): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/09/2026 CVE reserved
10/27/2026 +18 days Advisory disclosed
10/27/2026 +0 days VulDB entry created
10/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: security.tanium.com
Status: Confirmed

CVE: CVE-2026-108307 (🔒)
GCVE (CVE): GCVE-0-2026-108307
GCVE (VulDB): GCVE-100-427508

Entryinfo

Created: 10/27/2026 18:56
Changes: 10/27/2026 18:56 (60)
Complete: 🔍
Cache ID: 216::103

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