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Medium 5.5Published May 12, 2026
CVE-2026-42832Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
Updated under an hour ago ()
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It affects microsoft excel and 3 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
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- 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
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
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
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.