CVE-2026-88266
A NVD · · CVE-2026-88266
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key metrics
- CVSS
- 4.3
- EPSS
- 0%
Key insight
The NVD entry only describes the vulnerability and provides no indications of active exploitation or additional attack tactics.
Description
The vulnerability CVE-2026-88266 affects Synology DiskStation Manager (DSM) in versions before 7.3.2-86009-5 and 7.4.1-90080-1. It is classified as external control of system or configuration settings and allows remote authenticated users to write specific files. The NVD entry provides no indications of active exploitation, exploit code, or attacker attribution. Affected are DSM installations where remote authenticated accounts have access; further details on exploitation scenarios are missing.
Risk score
- cvss base
- 43.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 43.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational