CVE-2026-88176
A NVD · · CVE-2026-88176
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
The report contains only the NVD description of the vulnerability and no indication of active exploitation, an exploit, or an attack campaign; it therefore does not go beyond patch information.
Description
CVE-2026-88176 concerns missing authorization in Microsoft Office SharePoint. An authenticated attacker can exploit this vulnerability over the network to elevate privileges. The NVD entry provides no details on exploitation, proof of concept, or inclusion in CISA KEV. There is no indication of active attacks or a specific threat actor. The affected component is Microsoft's SharePoint.
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
MITRE ATT&CK mapping
1 TTPProcedure details
| Technique | Tactic | Procedure | Conf. | Source |
|---|---|---|---|---|
| T1068 Exploitation for Privilege Escalation | Privilege Escalation | An authorized attacker exploits the missing authorization vulnerability in Microsoft Office SharePoint (CVE-2026-88176) to elevate privileges over a network. | high | llm |