How severe is CVE-2026-10520?

CVE-2026-10520 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-10520 being actively exploited?

Yes. CVE-2026-10520 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-06-11, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-10520?

CVE-2026-10520 primarily affects Ivanti Standalone Sentry. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-10520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2026-10520 have an EU (EUVD) identifier?

Yes. CVE-2026-10520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35440. It is also flagged as exploited in the EUVD (since 2026-06-11).

When was CVE-2026-10520 published?

CVE-2026-10520 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-10520

CVE-2026-10520 is a critical-severity vulnerability in Ivanti Standalone Sentry with a CVSS 3.x base score of 10.0. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-06-11). The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 99% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-06-11)
EU (EUVD) id: EUVD-2026-35440
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-06-11)
Weakness: CWE-78
Affected product: Ivanti Standalone Sentry
Published: 2026-06-09
Last modified: 2026-06-17

Description

An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote unauthenticated user to achieve root-level remote code execution

Frequently asked questions

What is CVE-2026-10520?: An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote unauthenticated user to achieve root-level remote code execution
How severe is CVE-2026-10520?: CVE-2026-10520 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-10520 being actively exploited?: Yes. CVE-2026-10520 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-06-11, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-10520?: CVE-2026-10520 primarily affects Ivanti Standalone Sentry. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-10520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2026-10520 have an EU (EUVD) identifier?: Yes. CVE-2026-10520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35440. It is also flagged as exploited in the EUVD (since 2026-06-11).
When was CVE-2026-10520 published?: CVE-2026-10520 was published on 2026-06-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ivanti:standalone_sentry:*:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:standalone_sentry:10.7.0:*:*:*:*:*:*:*

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