CVE-2026-78510High· 8.4▾ TwilightHeap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 46.2 · 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 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
1.0%
1.0% → 1.0%
Last analysed / modified upstream
9.8 → 8.4
critical → high
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
365_appsmicrosoft_365office_2016office_2019office_2021office_2024Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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