CVE-2026-119847
A NVD · · CVE-2026-119847
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
- 7.8
- EPSS
- 0%
Key insight
Heap-based buffer overflow in Windows Kerberos enables local privilege escalation, directly affecting the Active Directory environment used by the company.
Description
CVE-2026-119847 is a heap-based buffer overflow vulnerability in the Windows Kerberos service. An authorized attacker can exploit the vulnerability locally to elevate privileges. Exploitation requires the attacker to already have access to the affected system. There are no indications of active exploitation or a public exploit. Windows systems using Kerberos authentication are affected.
Risk score
- cvss base
- 78.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 78.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 0.75
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational
MITRE ATT&CK mapping
1 TTPProcedure details
| Technique | Tactic | Procedure | Conf. | Source |
|---|---|---|---|---|
| T1068 Exploitation for Privilege Escalation | Privilege Escalation | An attacker with local authorized access exploits a heap-based buffer overflow in Windows Kerberos to elevate privileges locally. | high | llm |