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High 7.7Published May 12, 2026
CVE-2026-42832Microsoft Office Spoofing Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Excel for Android and 7 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
- CVSS
- 7.7 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Microsoft Excel for Android microsoft:excel_for_android (from the name) | from 16.0.0.0 before 16.0.19822.20190 | CNA record |
Microsoft Microsoft Office LTSC for Mac 2021 microsoft:office_ltsc_for_mac_2021 (from the name) | from 16.0.1 before 16.109.26051019 | CNA record |
Microsoft Microsoft Office LTSC for Mac 2024 microsoft:office_ltsc_for_mac_2024 (from the name) | from 16.0.0 before 16.109.26051019 | CNA record |
Microsoft Microsoft Word for Android microsoft:word_for_android (from the name) | from 16.0.0.0 before 16.0.19822.20190 | CNA record |
microsoft excel microsoft:excel | before 16.0.19822.20190 | NVD |
microsoft office microsoft:office | 2024 | NVD |
microsoft office_long_term_servicing_channel microsoft:office_long_term_servicing_channel | 2021 | NVD |
microsoft word microsoft:word | before 16.0.19822.20190 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.