CVE-2026-88228
A NVD · · CVE-2026-88228
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
- 7.0
- EPSS
- 0%
Key insight
The alert contains no indication of active exploitation or an attack campaign and does not go beyond the plain CVE description.
Description
CVE-2026-88228 is a heap-based buffer overflow in the Windows Local Security Authority Subsystem Service (LSASS). The vulnerability allows an already authorized attacker to elevate privileges locally. The advisory provides no information about active exploitation, KEV listing, or a public proof of concept. It also does not specify affected Windows versions or patch levels.
Risk score
- cvss base
- 70.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 70.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 0.75
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational