CVE-2026-88242
A NVD · · CVE-2026-88242
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 adds only a local privilege-escalation patch item with no indication of active exploitation, PoC, or strategic relevance.
Description
CVE-2026-88242 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD). An attacker with existing privileges can use it to elevate privileges locally. Exploitation requires local access and an authorized session. The advisory does not state active exploitation, a PoC, or KEV inclusion.
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