Exploited vulnerabilities / CVE-2026-118527
Confirmed exploited · exploited vulnerability · Ivanti Connect SecureCVE-2026-118527
Ivanti Connect Secure exploited vulnerability, confirmed exploited in the wild.
Ivanti Connect Secure contains a generation of predictable numbers or identifiers vulnerability that allows a remote authenticated attacker to upload files with attacker-controlled content to a known location on disk. This vulnerability can be chained with CVE-2026-104935 and CVE-2026-111357.
| CISA's name for it | Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability |
|---|---|
| Vendor and product | Ivanti · Connect Secure |
| Type | exploited vulnerability · CWE-340 |
| Exploited | Confirmed by CISA listed 30 October 2026 |
| Likelihood | scored lower by EPSS, but already confirmed exploited, which outranks any prediction |
| Deadline | 13 November 2026 · today |
| Used in ransomware | Not reported |
| Advisories | hub.ivanti.com ↗ · www.cisa.gov ↗ · www.cisa.gov ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.
If you cannot patch now, restrict network access to the affected product.
Check for signs of compromise since the date it was added to the list.
| CISA's required action | Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. |
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Know before someone else finds it
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CVE-2026-118527 in short
Is CVE-2026-118527 being exploited?
Yes. CISA added CVE-2026-118527 to its Known Exploited Vulnerabilities catalogue on 30 October 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2026-118527?
US federal agencies must remediate it by 13 November 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2026-118527 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 0.8%, the 57th percentile of every CVE it scores.
How do I fix CVE-2026-118527?
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.
Other Ivanti vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-111357 | Connect Secure | authentication bypass | 30 October 2026 |
| CVE-2026-104935 | Connect Secure | authentication bypass | 13 October 2026 |
| CVE-2026-10520 | Sentry | remote code execution | 11 June 2026 |
| CVE-2026-6973 | Endpoint Manager Mobile (EPMM) | remote code execution | 7 May 2026 |
| CVE-2026-1340 | Endpoint Manager Mobile (EPMM) | remote code execution | 8 April 2026 |
| CVE-2026-1603 | Endpoint Manager (EPM) | authentication bypass | 9 March 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.