Is CVE-2026-26127 actively exploited?

Yes. CVE-2026-26127 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2026-26127 be exploited remotely?

Yes. CVE-2026-26127 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-26127?

CVE-2026-26127 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-26127

HIGHCISA KEVIN THE WILD

CVE-2026-26127

CWE-125Published: March 10, 2026· Updated: Mar 11, 2026

7.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.3th

Official Description

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

NVD Source

Technical Analysis

CVE-2026-26127 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CISA has added CVE-2026-26127 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.