CVE-2026-123382
A NVD · · CVE-2026-123382
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 describes a single vulnerability without evidence of active exploitation or an attack campaign.
Description
CVE-2026-123382 is a vulnerability in Microsoft Office Outlook based on an untrusted pointer dereference. An unauthenticated attacker can exploit it over the network to execute code. This is an NVD entry with no mention of active exploitation, proof-of-concept, or inclusion in the CISA KEV list. Microsoft Outlook is affected in supported versions; details on affected builds or patch availability are not provided.
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 |
|---|---|---|---|---|
| T1203 Exploitation for Client Execution | Execution | An attacker exploits an untrusted pointer dereference vulnerability in Microsoft Office Outlook to execute arbitrary code on a victim's system over a network, likely by delivering malicious content that Outlook processes (e.g., crafted email or attachment). | high | llm |