CVE-2026-121677
A NVD · · CVE-2026-121677
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
- 6.5
- EPSS
- 0%
Key insight
The vulnerability affects Microsoft Remote Desktop Client, a component related to remote-access infrastructure, but no active exploitation is described.
Description
CVE-2026-121677 describes an out-of-bounds read in Remote Desktop Client. An unauthorized attacker can thereby disclose information over the network. The advisory does not provide details on affected versions, exploitability, or exploit status. There are no indications of active exploitation or KEV inclusion.
Risk score
- cvss base
- 65.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 65.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational