CVE-2026-118721
A NVD · · CVE-2026-118721
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 CVE description without details on exploitation, patch status, or affected versions, adding no insights beyond patch-level information.
Description
CVE-2026-118721 is a heap-based buffer overflow in Microsoft Office Excel. According to the NVD description, an unauthorized attacker can execute code over the network through this vulnerability. The report does not specify affected Excel versions, exploitation in the wild, or a proof of concept. It also lacks patch status or severity scoring details. It is a pure CVE description without additional threat information.
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