HOMEVULNERABILITIESCVE-2026-20766
HIGH

CVE-2026-20766

CWE-122Published: April 28, 2026· Updated: Apr 28, 2026

8.8
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:10.9th

Official Description

An out-of-bounds memory access vulnerability exists in specific firmware versions of Milesight AIOT cameras.

NVD Source

Technical Analysis

CVE-2026-20766 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

News & Research Mentioning CVE-2026-20766

Milesight Cameras
CISA Alerts· Apr 23, 2026

View CSAF Summary Successful exploitation of these vulnerabilities could crash the device being accessed or allow remote code execution. The following versions of Milesight Cameras are affected: MS-Cxx63-PD <=51.7.0.77-r12 (CVE-2026-28747, CVE-2026-27785, CVE-2026-32644, CVE-2026-32649, CVE-2026-20766) MS-Cxx64-xPD <=51.7.0.77-r12 (CVE-2026-28747, CVE-2026-27785, CVE-2026-32644, CVE-2026-32649, CVE-2026-20766) MS-Cxx73-xPD <=51.7.0.77-r12 (CVE-2026-28747, CVE-2026-27785, CVE-2026-32644, CVE-2026-32649, CVE-2026-20766) MS-Cxx75-xxPD <=51.7.0.77-r12 (CVE-2026-28747, CVE-2026-27785, CVE-2026-32644, CVE-2026-32649, CVE-2026-20766) MS-Cxx83-xPD <=51.7.0.77-r12 (CVE-2026-28747, CVE-2026-27785, CVE-2026-32644, CVE-2026-32649, CVE-2026-20766) MS-Cxx74-PA <=3 [xlite_meta score:79 src:CISA Alerts xlite_fp:1881e22b64819e1763bac1f61373780f8b1dd2672cfbb2863deb91bb2d17fc43]

All References (3)

Quick Facts

CVE IDCVE-2026-20766
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-122
CISA KEVNo
EPSS (30d)0.04%
PublishedApr 28, 2026

Known Threat Actors

core
financial

Related CVEs (CWE-122)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-20766 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.