CVE-2026-118723
A NVD · · CVE-2026-118723
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 provides the CVE description; there are no indications of active exploitation, affected sectors, or attack tactics.
Description
CVE-2026-118723 affects Microsoft Office Excel and is caused by an untrusted pointer dereference. An unauthorized attacker can thereby execute code locally. The NVD entry contains no information on active exploitation, KEV listing, or a public PoC. Details on CVSS, patch status, or exact exploitation prerequisites are not specified in the alert.
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
MITRE ATT&CK mapping
1 TTPProcedure details
| Technique | Tactic | Procedure | Conf. | Source |
|---|---|---|---|---|
| T1203 Exploitation for Client Execution | Execution | An attacker exploits CVE-2026-118723, an untrusted pointer dereference vulnerability in Microsoft Office Excel, to execute arbitrary code locally on a victim's machine. | high | llm |