CVE-2026-54988Medium· 6.1▾ SunlitOut-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 33.6 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.5%
Last analysed / modified upstream
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
365_appsexcel = 2016microsoft_365office_2019office_2021office_2024office_online_server < 16.0.10417.20175Upgrade past the affected range:
office_online_server 16.0.10417.20175Connected by shared product, vendor, weakness, or advisory.
CVE-2026-97744Medium· 5.5Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
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CVE-2026-88192Medium· 6.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88183Medium· 6.5Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
CVE-2026-88184Medium· 6.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88175Medium· 6.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.