CVE-2025-4879

SYSTEM privilege escalation through undisclosed local flaw

Published Jun 17, 2025 · Updated Feb 26, 2026

Improper privilege management in Citrix Workspace app for Windows before 2409 allows local users to gain SYSTEM privileges. Citrix has not published the affected code locus or the operation that mishandles privilege boundaries. Exploitation requires local low-privileged access and a running App Protection service, after which SYSTEM access permits full control of the endpoint.

CVSS severity7.3
High
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper privilege management in Citrix Workspace app for Windows before 2409 allows local users to gain SYSTEM privileges. Citrix has not published the affected code locus or the operation that mishandles privilege boundaries. Exploitation requires local low-privileged access and a running App Protection service, after which SYSTEM access permits full control of the endpoint.

The record

CVE
CVE-2025-4879
Published
Jun 17, 2025
Updated
Feb 26, 2026
Vendor
Cloud Software Group
Product
Citrix Workspace app
Classifications
CWE-269, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2402 LTSR <CU2 Hotfix 1
  2. Affected versionversion=2402 LTSR <CU3 Hotfix 1
  3. Affected versionversion=CR <2409

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Cloud Software Group · Citrix Workspace appversion=2402 LTSR <CU2 Hotfix 1; version=2402 LTSR <CU3 Hotfix 1; version=CR <2409

Published CVSS scores

7.3Citrix Systems, Inc.CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-269Improper Privilege Management
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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