Tanium addressed an information disclosure vulnerability in Discover.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 4.19.137, 4.15.218, 4.10.204
- Who is exposed
- Not reported
Do first: Upgrade to a fixed version: 4.19.137, 4.15.218, 4.10.204.
- Exploitation?/40Exploitation: unknown (data gap). No CISA SSVC exploitation rating yet
- Exposure3/25Reachable over the network · Data gap: No advisory context yet
- Reach?/20Reach: unknown (data gap). No tracked technology or package matched
- Severity4.3/10CVSS 4.3
- No patch0/5No signal
What would change the score
- Would score about 62 if added to CISA KEV
- Would score about 57 if CISA's SSVC rates exploitation active
- Would score about 26 if advisories confirm default setups are exposed
CVE-2026-116666 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 4.3 (medium) and affects Discover; fixed in 4.19.137, 4.15.218 and 4.10.204.
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- Published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 7/100 · provisional
- Fix
- Fixed in 4.19.137, 4.15.218, 4.10.204
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Tanium Discover, a Tanium product used for discovering and tracking assets on a network, is affected by this issue. The flaw could allow unauthorized disclosure of information from the software.
Read the original description
Tanium addressed an information disclosure vulnerability in Discover.
What to do
Upgrade to a fixed version: 4.19.137, 4.15.218, 4.10.204.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Tanium Discover
From 4.19.0 · fixed in 4.19.137; From 4.15.0 · fixed in 4.15.218; From 4.10.0 · fixed in 4.10.204
Evidence 1
- Link
Corrections
None so far.
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Questions about CVE-2026-116666
Is CVE-2026-116666 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-116666?
Discover: from 4.19.0 before 4.19.137; from 4.15.0 before 4.15.218; from 4.10.0 before 4.10.204.Source: cve.now feed data
How do I fix CVE-2026-116666?
Upgrade to a fixed version: 4.19.137, 4.15.218, 4.10.204.Source: cve.now feed data