BlackTreeIndependent security intelligenceMicrosoft · Microsoft 365 Apps for Enterprise
Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.
Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.
Patch availableOut-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
The product reads data past the end, or before the beginning, of the intended buffer.
An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
The product reads data past the end, or before the beginning, of the intended buffer.
An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.
No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.
CWE-125: Out-of-bounds Read. The product reads data past the end, or before the beginning, of the intended buffer.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CCommon Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
Operational remediation based on structured source evidence.
Published 14 Jul 2026 · Last source change 9 Sept 2026, 19:39 UTC · CWE-125 · Out-of-bounds Read
Core structured fields are present and their contributing authorities are shown above.
No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.