Vulnerability · CVE-2026-126858
Use of Uninitialized Resource
Published Unknown date · Use of Uninitialized Resource
Last checked Nov 14, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-126858. EPSS is 0.22%. Act only if a listed version of Use of Uninitialized Resource is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Use of Uninitialized Resource).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High—
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.22%
- Remediation
- Not established
- Affected products
- package unmanaged
No description has been ingested for this record.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- package unmanagedversion unspecified
How to fix CVE-2026-126858
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-126858. EPSS is 0.22%. Act only if a listed version of Use of Uninitialized Resource is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 14, 2026 · Snyk Vulnerability Database
Detected
Use of Uninitialized Resource
Sources
- CVE.orgVulnerability recordCVE-2026-126858
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-126858
30-day exploitation probability 0.22%
first.org - Snyk Vulnerability DatabasePackage advisorySNYK-UNMANAGED-CHROMIUM-22422828
Use of Uninitialized Resource
security.snyk.io
Freshness
Last verified in this catalog Nov 14, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 14, 2026
- CVE.orgNov 14, 2026
- Snyk Vulnerability DatabaseNov 14, 2026