CVE-2025-15315 [Medium] | Privilege Escalation in Module Server

CVE-2025-15315 is rated Low Risk (28.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.02%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-02-10	—	0.02%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-02-10

—

0.02%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.7	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:H) They need powerful rights—admin, root, or similar—before this pays off. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	0.8	5.9	3938794e-25f5-4123-a1ba-5cbd7f104512
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	5.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.7

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H): They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

0.8

5.9

3938794e-25f5-4123-a1ba-5cbd7f104512

7.8

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

5.9

[email protected]

Affected software / configurations for CVE-2025-15315

Vendor	Product	Version	Raw CPE
tanium	module_server	>= 7.4.6, < 7.4.6.1151	cpe:2.3:a:tanium:module_server::::::::
tanium	module_server	>= 7.5.6, < 7.5.6.1161	cpe:2.3:a:tanium:module_server::::::::
tanium	module_server	>= 7.6.2, < 7.6.2.1293	cpe:2.3:a:tanium:module_server::::::::
tanium	module_server	>= 7.6.4, < 7.6.4.2114	cpe:2.3:a:tanium:module_server::::::::
tanium	server	>= 7.4.6, < 7.4.6.1151	cpe:2.3:a:tanium:server::::::::
tanium	server	>= 7.5.6, < 7.5.6.1161	cpe:2.3:a:tanium:server::::::::
tanium	server	>= 7.6.2, < 7.6.2.1293	cpe:2.3:a:tanium:server::::::::
tanium	server	>= 7.6.4, < 7.6.4.2114	cpe:2.3:a:tanium:server::::::::

References for CVE-2025-15315

URL	Tags
https://security.tanium.com/TAN-2025-011	Vendor Advisory

URL

CVE-2025-15315 | Tanium addressed a local privilege escalation vulnerability in Tanium Module Server.

Exploit prediction scoring system (EPSS) score for CVE-2025-15315

Common vulnerability scoring system (CVSS) metrics for CVE-2025-15315

Weakness enumeration for CVE-2025-15315

Affected software / configurations for CVE-2025-15315

References for CVE-2025-15315