CVE-2024-55957

Local privilege escalation via improper driver permissions

Published Jan 22, 2025 · Updated Mar 14, 2025

Local privilege escalation in Xcalibur before 4.7 SP1 and Foundation before 3.1 SP10 allows local users to gain elevated privileges. The affected driver packages receive improper Windows access-control permissions, but Thermo Fisher Scientific has not disclosed the specific files, principals, or writable operations. Exploitation requires existing low-privileged local access on Windows and grants elevated privileges without user interaction.

CVSS severity7.8
High
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Local privilege escalation in Xcalibur before 4.7 SP1 and Foundation before 3.1 SP10 allows local users to gain elevated privileges. The affected driver packages receive improper Windows access-control permissions, but Thermo Fisher Scientific has not disclosed the specific files, principals, or writable operations. Exploitation requires existing low-privileged local access on Windows and grants elevated privileges without user interaction.

The record

CVE
CVE-2024-55957
Published
Jan 22, 2025
Updated
Mar 14, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-276, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 22, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.8CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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