How severe is CVE-2017-11292?

CVE-2017-11292 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-11292 being actively exploited?

Yes. CVE-2017-11292 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2017-11292?

CVE-2017-11292 primarily affects Adobe Flash Player Desktop Runtime. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11292?

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-2017-11292 have an EU (EUVD) identifier?

Yes. CVE-2017-11292 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-2926. It is also flagged as exploited in the EUVD (since 2022-03-03).

When was CVE-2017-11292 published?

CVE-2017-11292 was published on 2017-10-22 and last updated on 2026-06-17.

CVE-2017-11292

CVE-2017-11292 is a high-severity vulnerability in Adobe Flash Player Desktop Runtime with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-03). The underlying weakness is classified as CWE-843.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.0
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-03-03)
EU (EUVD) id: EUVD-2017-2926
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-03)
Weakness: CWE-843
Affected product: Adobe Flash Player Desktop Runtime
Published: 2017-10-22
Last modified: 2026-06-17

Description

Adobe Flash Player version 27.0.0.159 and earlier has a flawed bytecode verification procedure, which allows for an untrusted value to be used in the calculation of an array index. This can lead to type confusion, and successful exploitation could lead to arbitrary code execution.

Frequently asked questions

What is CVE-2017-11292?: Adobe Flash Player version 27.0.0.159 and earlier has a flawed bytecode verification procedure, which allows for an untrusted value to be used in the calculation of an array index. This can lead to type confusion, and successful exploitation could lead to arbitrary code execution.
How severe is CVE-2017-11292?: CVE-2017-11292 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-11292 being actively exploited?: Yes. CVE-2017-11292 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2017-11292?: CVE-2017-11292 primarily affects Adobe Flash Player Desktop Runtime. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11292?: 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-2017-11292 have an EU (EUVD) identifier?: Yes. CVE-2017-11292 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-2926. It is also flagged as exploited in the EUVD (since 2022-03-03).
When was CVE-2017-11292 published?: CVE-2017-11292 was published on 2017-10-22 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

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