CVE-2026-118706
A NVD · · CVE-2026-118706
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 only provides the NVD description of the Excel vulnerability; there is no information on active exploitation, affected sectors, or TTPs.
Description
CVE-2026-118706 is a use-after-free vulnerability in Microsoft Office Excel. An unauthenticated attacker can execute code over the network through it. The report does not provide details on attack vectors, affected versions, or exploitation conditions. There is no information on active exploitation, proof-of-concept code, or KEV inclusion.
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 | Exploits a use-after-free vulnerability in Microsoft Office Excel to execute arbitrary code when a user opens a maliciously crafted Excel file. | high | llm |