Is CVE-2023-33063 actively exploited?

Yes. KEV Intelligence tracks CVE-2023-33063 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2023-33063. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2023-33063 affects Qualcomm, Inc. Snapdragon. KEV Intelligence lists 538 version rows; examples include 0 to <= *.

Yes. CVE-2023-33063 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2023-33063

Q: What is CVE-2023-33063?

CVE-2023-33063 is Use After Free in DSP Services affecting Qualcomm, Inc. Snapdragon. Memory corruption in DSP Services during a remote call from HLOS to DSP.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2023-33063 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Use After Free in DSP Services

Qualcomm / Snapdragon · 0 to <= *

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Severity: CVSS 7.8 · High
Confidence: Confirmed
Exploit status: Exploited in the wild
EPSS: 0.7%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-33063 is Use After Free in DSP Services affecting Qualcomm, Inc. Snapdragon. Memory corruption in DSP Services during a remote call from HLOS to DSP.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Qualcomm, Inc. / Snapdragon 0 to <= *.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Memory corruption in DSP Services during a remote call from HLOS to DSP

Memory corruption in DSP Services during a remote call from HLOS to DSP.

Vendor Product Affected Status

Qualcomm, Inc. Snapdragon Snapdragon 855+/860 Mobile Platform (SM8150-AC) Affected

Qualcomm, Inc. Snapdragon Snapdragon 865 5G Mobile Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon 865+ 5G Mobile Platform (SM8250-AB) Affected

Qualcomm, Inc. Snapdragon Snapdragon 870 5G Mobile Platform (SM8250-AC) Affected

Qualcomm, Inc. Snapdragon Snapdragon 888 5G Mobile Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon 888+ 5G Mobile Platform (SM8350-AC) Affected

Qualcomm, Inc. Snapdragon Snapdragon AR2 Gen 1 Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon Auto 5G Modem-RF Affected

Qualcomm, Inc. Snapdragon Snapdragon W5+ Gen 1 Wearable Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon Wear 4100+ Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon X12 LTE Modem Affected

Qualcomm, Inc. Snapdragon Snapdragon X24 LTE Modem Affected

Qualcomm, Inc. Snapdragon Snapdragon X50 5G Modem-RF System Affected

Qualcomm, Inc. Snapdragon Snapdragon X55 5G Modem-RF System Affected

Qualcomm, Inc. Snapdragon Snapdragon X65 5G Modem-RF System Affected

Qualcomm, Inc. Snapdragon Snapdragon XR1 Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon XR2 5G Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon XR2+ Gen 1 Platform Affected

Qualcomm, Inc. Snapdragon Snapdragon Auto 4G Modem Affected

Qualcomm, Inc. Snapdragon SSG2115P Affected

Qualcomm, Inc. Snapdragon SSG2125P Affected

Qualcomm, Inc. Snapdragon SW5100 Affected

Qualcomm, Inc. Snapdragon SW5100P Affected

Qualcomm, Inc. Snapdragon SXR1120 Affected

Qualcomm, Inc. Snapdragon SXR1230P Affected

Published: 05 Dec 2023
Exploitation Reported: 05 Dec 2023
Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2023-33063
qualcomm.com/company/product-security/bulletins/december-... qualcomm.com · CVE Record https://www.qualcomm.com/company/product-security/bulletins/december-...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 05 Dec 2023

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CISA First	2023-12-05 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.7%

Weaknesses

Use After Free CWE-416

Timeline

From disclosure to observed exploitation

05 Dec 2023
CVE published

Vulnerability disclosed publicly
05 Dec 2023
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
17 May 2023
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-33063

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2023-33063",
  "confidence": "Confirmed",
  "cvss_score": 7.8,
  "cvss_estimated": false,
  "epss_score": 0.007,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

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