CVE-2026-119909
A NVD · · CVE-2026-119909
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
- 5.9
- EPSS
- 0%
Key insight
The report contains no information about active exploitation or additional threat details beyond the plain CVE description.
Description
The vulnerability CVE-2026-119909 affects Windows Internet Information Services (IIS) and allows an unauthenticated attacker to cause a denial-of-service over the network through uncontrolled resource consumption. There are no reports of active exploitation or a proof-of-concept. Windows server systems with IIS installed are affected. The severity is rated as medium because availability can be impaired but code execution is not possible. No entry in the CISA KEV is known.
Risk score
- cvss base
- 59.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 59.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational
MITRE ATT&CK mapping
1 TTPProcedure details
| Technique | Tactic | Procedure | Conf. | Source |
|---|---|---|---|---|
| T1499.004 Application or System Exploitation | Impact | An attacker exploits CVE-2026-119909 by sending specially crafted requests to Windows Internet Information Services, causing uncontrolled resource consumption that denies service to legitimate users over the network. | high | llm |