High 8.8Published Apr 27, 2026

CVE-2026-20766Milesight Cameras Heap-based Buffer Overflow

Updated under an hour ago (Oct 27, 2026, 2:10 AM ET)

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It affects Milesight MS-Cxx63-PD and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Milesight MS-Cxx63-PD

Exploited in the last 30 days

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

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-122
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Awaiting Analysis
Record last updated: Apr 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Milesight MS-Cxx63-PD milesight:ms_cxx63_pd (from the name)	through 51.7.0.77-r12	CNA record
Milesight MS-Cxx64-xPD milesight:ms_cxx64_xpd (from the name)	through 51.7.0.77-r12	CNA record
Milesight MS-Cxx73-xPD milesight:ms_cxx73_xpd (from the name)	through 51.7.0.77-r12	CNA record
Milesight MS-Cxx75-xxPD milesight:ms_cxx75_xxpd (from the name)	through 51.7.0.77-r12	CNA record
Milesight MS-Cxx83-xPD milesight:ms_cxx83_xpd (from the name)	through 51.7.0.77-r12	CNA record
Milesight MS-Cxx74-PA milesight:ms_cxx74_pa (from the name)	through 3x.8.0.3-r11	CNA record
Milesight MS-C8477-HPG1 milesight:ms_c8477_hpg1 (from the name)	through 63.8.0.4-r3	CNA record
Milesight MS-C8477-PC milesight:ms_c8477_pc (from the name)	through 48.8.0.4-r3	CNA record
Milesight MS-C5321-FPE milesight:ms_c5321_fpe (from the name)	through 62.8.0.4-r5	CNA record
Milesight MS-Cxx72-xxxPE milesight:ms_cxx72_xxxpe (from the name)	through 61.8.0.5-r2	CNA record
1–10 of 60

References

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-113-03
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-113-03.json
https://www.milesight.com/support/download/firmware

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.