PT-2026-24322 · Microsoft · Office Excel

Published 2026-03-10 · Updated 2026-03-16 · CVE-2026-26112

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description An untrusted pointer dereference exists in Microsoft Office Excel, potentially allowing an unauthorized attacker to execute code locally. Exploitation of this issue may allow an attacker to execute arbitrary code and affect the system.

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

RCE

Untrusted Pointer Dereference

Weakness Enumeration

CWE-822

Related Identifiers

BDU:2026-03001

CVE-2026-26112

Affected Products

Office Excel

References · 8

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26112 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/729786 · Security Note
• https://osv.dev/vulnerability/CVE-2026-26112 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03001 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26112 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-26112 · Security Note
• https://t.me/avleonovcom/1637 · Telegram Post
• https://twitter.com/CVEnew/status/2033361138121871526 · Twitter Post