CVE-2026-8278
📛 CVE Title
CVE-2026-8278
Description
Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error and is not a valid vulnerability. Notes: All references and descriptions in this candidate have been removed to prevent accidental usage.
Overview
- State
- REJECTED
- Assigner (CNA)
- Wordfence
- CVSS severity
- null
- CVSS score
- 9.1 / 10
- CVSS vector
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H- Effective score
- 9.1 / 10 NULL source: CNA overview
- CWE(s)
- —
- Reserved
- 2026-05-11
- Published
- —
- Last updated
- 2026-05-12 17:57 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/8xxx/CVE-2026-8278.json
- Linked Threat
- CVE-2026-8278 — CVE-2026-8278
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-12 17:16:21 UTC
- NVD last modified
- 2026-05-12 17:16:21 UTC
NVD / KEV / EPSS data refreshed 2026-05-25 06:17 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (2)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2026-8278 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-8278 tenable:www.cve.org
Remediations (16)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:cybersecuritynews.com
Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...
2026-05-23 20:49 UTC -
web:heimdalsecurity.com
Explore six essential patch management best practices for 2026 to keep your systems secure, up to date, and protected from vulnerabilities.
2026-05-23 20:49 UTC -
web:krebsonsecurity.com
Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.
2026-05-23 20:49 UTC -
web:nvd.nist.gov
An official website of the United States government Here's how you know
2026-05-23 20:49 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-23 20:49 UTC -
web:support.sap.com
SAP security Patch Day Bulletin
2026-05-23 20:49 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-23 20:49 UTC -
web:www.pcworld.com
This month's Patch Tuesday brings over 80 fixes for various security vulnerabilities. Fortunately, none are actively being exploited in the wild yet.
2026-05-23 20:49 UTC -
web:www.windowslatest.com
Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.
2026-05-23 20:49 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-23 20:49 UTC -
web:cisa.gov
Update (08/12/2025): CISA has updated this alert to provide clarification on identifying Exchange Servers on an organization's networks and provided further guidance on running the Microsoft Exchange Health Checker. Update (08/07/2025): CISA issued Emergency Directive (ED) 25-02: Mitigate Microsoft Exchange Vulnerability in response to CVE -2025-53786
2026-05-26 02:51 UTC -
web:community.ui.com
Published: May 21, 2026 Updated: May 22, 2026 Version: 1.1 Revision: 1.1 Summary 1 of 5 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. Affected Products: UniFi OS Server (Version 5.0.6 and earlier) Mitigation : Update your UniFi OS Server to Version 5.0.8 or later ...
2026-05-26 02:51 UTC -
web:nvd.nist.gov
An official website of the United States government Here's how you know
2026-05-26 02:51 UTC -
web:support.sap.com
SAP security patch day bulletin
2026-05-26 02:51 UTC -
web:thehackernews.com
Microsoft patched 138 flaws, including 30 Critical bugs, as AI discovery expands Patch Tuesday risk.
2026-05-26 02:51 UTC -
web:www.crowdstrike.com
Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.
2026-05-26 02:51 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-8278.json.
{
"containers": {
"cna": {
"providerMetadata": {
"dateUpdated": "2026-05-12T15:57:23.162Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"rejectedReasons": [
{
"lang": "en",
"value": "** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error and is not a valid vulnerability. Notes: All references and descriptions in this candidate have been removed to prevent accidental usage."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-8278",
"dateRejected": "2026-05-12T15:57:23.162Z",
"dateReserved": "2026-05-11T01:45:29.760Z",
"dateUpdated": "2026-05-12T15:57:23.162Z",
"state": "REJECTED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}