CVE-2023-26236
Due to a weak implementation of message handling between WatchGuard EPDR processes, it is possible to perform a Local Privilege Escalation on Windows by sending a crafted message to a named pipe.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in WatchGuard EPDR 8.0.21.0002. Due to a weak implementation of message handling between WatchGuard EPDR processes, it is possible to perform a Local Privilege Escalation on Windows by sending a crafted message to a named pipe.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.16% probability · 4th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- watchguard/epp firmware · watchguard/edr firmware · watchguard/epdr firmware · watchguard/panda ad360 firmware
- Source
- cve@mitre.org
EPSS 0.2% since 7 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.