CVE-2026-122198
A NVD · · CVE-2026-122198
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 NVD entry only describes a vulnerability without indication of active exploitation or attack tactics, and therefore provides no insights beyond patch information.
Description
CVE-2026-122198 concerns a heap-based buffer overflow in Microsoft Office. An unauthenticated attacker can use it to execute arbitrary code over the network. The NVD entry provides no details on affected versions, exploit code, or active attacks. Whether the vulnerability is already being exploited or has been added to CISA KEV is not stated in the alert. Further information on attack vectors or impact is not available.
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