CVE-2018-10959
Avecto Defendpoint 4 prior to 4.4 SR6 and 5 prior to 5.1 SR1 has an Untrusted Search Path vulnerability, exploitable by modifying environment variables to trigger automatic elevation of an attacker's process launch.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Avecto Defendpoint 4 prior to 4.4 SR6 and 5 prior to 5.1 SR1 has an Untrusted Search Path vulnerability, exploitable by modifying environment variables to trigger automatic elevation of an attacker's process launch.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.60% probability · 76th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-426
- Affected
- beyondtrust/avecto defendpoint
- Source
- cve@mitre.org
EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://hackandpwn.com/assets/2019-04-17-cve-2018-10959/Defendpoint_Windows_Client_Release_Notes_4.4.267.0_SR6.pdf
- https://hackandpwn.com/assets/2019-04-17-cve-2018-10959/Defendpoint_Windows_Client_Release_Notes_5.1.149.0_SR1.pdf
- https://hackandpwn.com/cve-2018-10959/
- https://www.beyondtrust.com/docs/release-notes/privilege-management/windows-and-mac/windows/pm-windows-4-4-sr6.pdf
- https://www.beyondtrust.com/docs/release-notes/privilege-management/windows-and-mac/windows/pm-windows-5-1.pdf
- https://hackandpwn.com/assets/2019-04-17-cve-2018-10959/Defendpoint_Windows_Client_Release_Notes_4.4.267.0_SR6.pdf
- https://hackandpwn.com/assets/2019-04-17-cve-2018-10959/Defendpoint_Windows_Client_Release_Notes_5.1.149.0_SR1.pdf
- https://hackandpwn.com/cve-2018-10959/
- https://www.beyondtrust.com/docs/release-notes/privilege-management/windows-and-mac/windows/pm-windows-4-4-sr6.pdf
- https://www.beyondtrust.com/docs/release-notes/privilege-management/windows-and-mac/windows/pm-windows-5-1.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.