CVE-2026-70240
A NVD · · CVE-2026-70240
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
- 7.5
- EPSS
- 0%
Key insight
Affects Windows Kerberos, which is used in Active Directory environments with Windows Server.
Description
The vulnerability CVE-2026-70240 affects the Kerberos service in Microsoft Windows. Due to missing release of memory after effective lifetime, an unauthenticated attacker can cause a denial-of-service condition over the network. Affected are Windows systems that use Kerberos for authentication, typically in Active Directory environments. At the time of publication, there is no information about active exploitation, proof-of-concept code, or inclusion in the CISA KEV list.
Risk score
- cvss base
- 75.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 75.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational