CVE-2026-88235
A NVD · · CVE-2026-88235
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
- 7.8
- EPSS
- 0%
Key insight
The NVD entry only describes local privilege escalation in Windows Servicing Stack Updates and does not mention active exploitation, a PoC, or attacker TTPs.
Description
CVE-2026-88235 concerns a confused deputy flaw in Windows Servicing Stack Updates. An authorized attacker can exploit it locally to elevate privileges. The NVD description provides no details on affected versions, exploitation in the wild, KEV inclusion, or public PoC. It is therefore a local privilege escalation vulnerability in the Windows update stack that initially allows only a patch assessment.
Risk score
- cvss base
- 78.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 78.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 0.75
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational