CVE-2026-88111
A NVD · · CVE-2026-88111
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
- 7.5
- EPSS
- 0%
Key insight
The report provides no insight beyond the plain patch information: there are no indications of active exploitation or a public exploit, and exploitation requires an already authenticated session.
Description
CVE-2026-88111 is a heap-based buffer overflow in Microsoft SQL Server. An attacker who already holds valid credentials (an "authorized attacker") can exploit the flaw over the network and thereby execute code in the context of the service. The SQL Server component itself is affected; the NVD description does not state specific versions or affected builds. At the time of the report there are no indications of exploitation in the wild, no inclusion in the CISA KEV list, and no public proof of concept. The assessment relies solely on the NVD description without a CVSS vector or vendor information.
Risk score
- cvss base
- 75.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 75.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational