Vulnerability · CVE-2026-114148
ASP.NET Core Elevation of Privilege Vulnerability
Published Oct 25, 2026 · catalog updated Oct 25, 2026 · Microsoft Windows
Last checked Oct 27, 2026. A connected source was read within the last 7 days.
Open the advisory
Exploitation likelihood is not on this record for CVE-2026-114148. A missing EPSS score is not a low risk. Compare Microsoft Windows with the linked advisory before you change production.
Gaps on this record
- 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.
- EPSS is missing. A missing score is not a low risk.
Same product and reporting
- CVE-2026-108463 · High
- CVE-2026-108471 · High
- CVE-2026-108136 · High
- CVE-2026-108135 · High
- CVE-2026-108134 · High
- Severity
- High7.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- Not in the current FIRST EPSS dataset
- Remediation
- Advisory link
- Affected products
- microsoft .NET 10.0 installed on Windows · microsoft .NET 11.0 installed on Windows · microsoft .NET 8.0 installed on Windows · microsoft .NET 9.0 installed on Windows
Affected Microsoft products: .NET 11.0 installed on Windows, .NET 10.0 installed on Windows, .NET 9.0 installed on Windows, .NET 8.0 installed on Windows.
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.
- microsoft .NET 10.0 installed on Windowsversion unspecified
- microsoft .NET 11.0 installed on Windowsversion unspecified
- microsoft .NET 8.0 installed on Windowsversion unspecified
- microsoft .NET 9.0 installed on Windowsversion unspecified
How to fix CVE-2026-114148
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?
Exploitation likelihood is not on this record for CVE-2026-114148. A missing EPSS score is not a low risk. Compare Microsoft Windows with the linked advisory before you change production.
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?
CWE-276: Incorrect Default Permissions. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
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.
Oct 25, 2026 · Microsoft Security Update Guide
Detected
Affected Microsoft products: .NET 11.0 installed on Windows, .NET 10.0 installed on Windows, .NET 9.0 installed on Windows, .NET 8.0 installed on Windows.
Sources
- CSAF AdvisoriesVendor advisorymsrc_CVE-2026-114148:CVE-2026-114148
Microsoft
msrc.microsoft.com - CVE.orgVulnerability recordCVE-2026-114148
Official CVE identifier
cve.org - Microsoft Security Update GuideVendor advisoryCVE-2026-114148
.NET 11.0 installed on Windows, .NET 10.0 installed on Windows, .NET 9.0 installed on Windows, .NET 8.0 installed on Windows
msrc.microsoft.com
References
Freshness
Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- Microsoft Security Update GuideOct 26, 2026
- CVE.orgOct 26, 2026
- CSAF AdvisoriesOct 25, 2026