CVE-2026-6499
📛 CVE Title
CVE-2026-6499
Description
Incorrect Permission Assignment for Critical Resource vulnerability in ILM Informatique OpenConcerto allows Replace Binaries. This issue affects OpenConcerto: 1.7.5.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- TCS-CERT
- CVSS severity
- LOW
- CVSS score
- 2.4 / 10
- CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N- Effective score
- 2.4 / 10 LOW source: CNA overview
- CWE(s)
-
CWE-732 - Reserved
- 2026-04-17
- Published
- 2026-05-04 16:08 UTC
- Last updated
- 2026-05-04 16:43 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/6xxx/CVE-2026-6499.json
- Linked Threat
- CVE-2026-6499 — CVE-2026-6499
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
- 2026-05-04 14:16:36 UTC
- NVD last modified
- 2026-05-05 20:14:04 UTC
- EPSS score
- 0.0001 (probability of exploitation in next 30 days)
- EPSS percentile
- 3.17% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD / KEV / EPSS data refreshed 2026-05-25 07:08 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-26969 - Assigner
- TCS-CERT
- Published
- May 4, 2026, 2:08:03 PM
- Updated
- May 4, 2026, 2:43:54 PM
- EUVD base score (CVSS 4.0)
-
2.4 / 10
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - EUVD-reported EPSS
- 0.0200
- Vendors
- ILM Informatique
- Products
-
OpenConcerto (1.7.5)
ENISA description: Incorrect Permission Assignment for Critical Resource vulnerability in ILM Informatique OpenConcerto allows Replace Binaries. This issue affects OpenConcerto: 1.7.5.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| ILM Informatique | OpenConcerto |
1.7.5 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (3)
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-2026-6499 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-6499 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.openconcerto.org/fr/version-1.7.html 64c5ae8f-7972-4697-86a0-7ada793ac795
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:carthageelectronics.com
Status: Actively exploited — CISA KEV listed — patch by May 12, 2026 What Happened On April 28, 2026 , CISA added CVE - 2026 -32202 to its Known Exploited Vulnerabilities (KEV) catalog with a federal remediation deadline of May 12, 2026 . This vulnerability is the result of an incomplete patch Microsoft released in February for CVE - 2026 -21510.
2026-05-23 21:15 UTC -
web:cyberpress.org
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .
2026-05-23 21:15 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 21:15 UTC -
web:nvd.nist.gov
This is a potential security issue, you are being redirected to https://nvd.nist.gov
2026-05-23 21:15 UTC -
web:techcommunity.microsoft.com
We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE - 2026 -42897.
2026-05-23 21:15 UTC -
web:www.forbes.com
Updated May 18: This article has been updated to include further details on the emergency mitigation process recommended by Microsoft after the CVE - 2026 -42897 Exchange Server zero-day was ...
2026-05-23 21:15 UTC -
web:www.helpnetsecurity.com
Microsoft has marked May 2026 Patch Tuesday by releasing fixes for 120+ CVE -numbered vulnerabilities, none of which are actively exploited.
2026-05-23 21:15 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 21:15 UTC -
web:www.vulncheck.com
In February, VulnCheck introduced our 2025 Routinely Targeted Vulnerabilities list, a compilation of CVEs researched and exploited by a range of threat actors in 2025. Today, we're releasing a list of 2026 vulnerabilities that our analysts have determined qualify for "Routinely Targeted" status based on a combination of threat actor, ransomware, and botnet targeting, along with public ...
2026-05-23 21:15 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 21:15 UTC -
web:blog.qualys.com
Oracle released its second quarterly edition of this year's Critical Patch Update. The update received patches for 481 security vulnerabilities.
2026-05-26 02:45 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 02:45 UTC -
web:krebsonsecurity.com
For a clickable, per- patch breakdown, check out the SANS Internet Storm Center Patch Tuesday roundup. Running into problems applying any of these updates?
2026-05-26 02:45 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-26 02:45 UTC -
web:nvd.nist.gov
Official websites use .gov A .gov website belongs to an official government organization in the United States.
2026-05-26 02:45 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 02:45 UTC -
web:www.tenable.com
Oracle addresses 241 CVEs in its April Critical Patch Update, the second quarterly update of 2026 with 481 patches, including 34 critical updates.
2026-05-26 02:45 UTC -
web:www.windowslatest.com
Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.
2026-05-26 02:45 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-6499.json.
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