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CVE-2023-26236

HIGH
7.8
CVSS Score
Published: October 5, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:42 AM UTC
8 products affected across 1 vendorEpdr FirmwarePanda AD360 FirmwareEpp Firmware

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EDR Firmware· WatchGuard
95%
v < 8.00.22.0010
Affected range stops below 8.00.22.0010, so it looks safe — our inference, not a vendor statement
watchguard-edr (same device)
Epdr Firmware· WatchGuard
95%
v < 8.00.22.00108.0.21.0002
Affected range stops below 8.00.22.0010, so it looks safe — our inference, not a vendor statement
watchguard-epdr (same device)
Epp Firmware· WatchGuard
95%
v < 8.00.22.0010
Affected range stops below 8.00.22.0010, so it looks safe — our inference, not a vendor statement
watchguard-epp (same device)
Panda AD360 Firmware· WatchGuard
95%
v < 8.00.22.0010
Affected range stops below 8.00.22.0010, so it looks safe — our inference, not a vendor statement
watchguard-panda-ad360 (same device)
Edr· WatchGuarddevice
80%
All versions
Epdr· WatchGuarddevice
80%
All versions
Epp· WatchGuarddevice
80%
All versions
Panda Ad360· WatchGuarddevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2023-00004

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-269

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