CVE-2026-30896
The installer for Qsee Client versions 1.0.1 and prior insecurely load Dynamic Link Libraries (DLLs).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The installer for Qsee Client versions 1.0.1 and prior insecurely load Dynamic Link Libraries (DLLs). When a user is directed to place some malicious DLL to the same directory and execute the affected installer, then arbitrary code may be executed with the administrative privilege.
- CVSS 4.0
- 8.4 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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/M
- EPSS
- 0.17% probability · 6th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- q-see/qsee client
- Source
- vultures@jpcert.or.jp
EPSS 0.2% since 26 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
- https://jvn.jp/en/jp/JVN11676807/Third Party Advisory
- https://www.q-see.com/pages/downloadProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.