CVE-2026-88222
A NVD · · CVE-2026-88222
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
- 8.8
- EPSS
- 0%
Key insight
Beyond the pure patch information, the alert provides no indication of active exploitation, exploit code, or attacker TTPs.
Description
CVE-2026-88222 is a heap-based buffer overflow in the Microsoft WDAC OLE DB provider for SQL. An unauthenticated attacker can execute code over the network through this flaw. The alert provides no CVSS score, exploitation status, proof-of-concept code, or evidence of active attacks. Systems using the WDAC OLE DB provider for SQL are potentially affected; version and fix details are in the NVD entry.
Risk score
- cvss base
- 88.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 88.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational