CVE-2026-26127

Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.

CVSS 3.1 · [email protected] · Secondary 7.5 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 25 Oct 2026 06:17:22 UTC. Read the latest advisory.

nvd · CVE-2026-26127

Published

Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.

Read the publisher's advisory

Affected versions, risk and source history

nvd · CVE-2026-26127

Published

Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-125

Original publisher date fields

published: 2026-03-10T18:18:41.713

lastModified: 2026-06-17T10:25:46.253

5 source CPE criteria · context only

cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:bcl.memory:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published: 10 Mar 2026 18:18:41 UTC
Source modified: 17 Jun 2026 10:25:46 UTC
Saved here: 25 Oct 2026 06:17:22 UTC
Source terms: NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · [email protected] · Secondary · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H