PT-2026-26354 · Microsoft · Copilot

Spandan Pokhrel · Published 2026-03-19 · Updated 2026-03-22 · CVE-2026-26136

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Copilot (affected versions not specified)

Description An improper neutralization of special elements used in a command ('command injection') exists in Microsoft Copilot. This allows an unauthorized attacker to disclose information over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2026-26136

Affected Products

Copilot

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-26136 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26136 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2034828766615109853 · Twitter Post
• https://twitter.com/CVEnew/status/2035627044864774373 · Twitter Post