Review reviewHigh

CVE-2026-27785

Milesight MS-Cxx63-PD, MS-Cxx64-xPD, MS-Cxx73-xPD

CVE-2026-27785 affects Milesight MS-Cxx63-PD, MS-Cxx64-xPD, MS-Cxx73-xPD. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 7.7
EPSS: 0.22%
CISA KEV: Not listed
Published: 2026.04.28

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.22%

Technical severityCVSS 7.7

Vulnerability overview

Affected product and versions

Product: Milesight MS-Cxx63-PD, MS-Cxx64-xPD, MS-Cxx73-xPD
Affected versions: <= 51.7.0.77-r12, <= 3x.8.0.3-r11, <= 63.8.0.4-r3, <= 48.8.0.4-r3, <= 62.8.0.4-r5, <= 61.8.0.5-r2, <= 63.8.0.5-r3, <= CQ_63.8.0.5-r1, <= 7x.9.0.19-r5, <= PO_61.8.0.4_LPR, <= PI_61.8.0.3_LPR-r3, <= T_63.8.0.4_LPR-r3, <= T_47.8.0.4_LPR-r7, <= T_47.8.0.4_LPR-r6, <= T_61.8.0.4_LPR-r3, <= T_45.8.0.3-r9, <= 45.8.0.2-AIoT-r4, <= C_21.1.0.8-r4, <= 52.8.0.4-r5, <= 63.8.0.4-r1-NX
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Milesight MS-Cxx63-PD, MS-Cxx64-xPD, MS-Cxx73-xPD and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE: CWE-798