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 <= *

View live feed Monitor via API Watch CVE

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 sd_675_firmware Through * Affected

qualcomm sd_8_gen1_5g_firmware Through * Affected

qualcomm sd626_firmware Through * Affected

qualcomm sd660_firmware Through * Affected

qualcomm sd670_firmware Through * Affected

qualcomm sd675_firmware Through * Affected

qualcomm sd730_firmware Through * Affected

qualcomm sd835_firmware Through * Affected

qualcomm sd855_firmware Through * Affected

qualcomm sd865_5g_firmware Through * Affected

qualcomm sd888_firmware Through * Affected

qualcomm sdm429w_firmware Through * Affected

qualcomm sdx55_firmware Through * Affected

qualcomm sg4150p_firmware Through * Affected

qualcomm sg8275p_firmware Through * Affected

qualcomm sm4125_firmware Through * Affected

qualcomm sm6250_firmware Through * Affected

qualcomm sm7250p_firmware Through * Affected

qualcomm sm7315_firmware Through * Affected

qualcomm sm7325p_firmware Through * Affected

qualcomm sm8550p_firmware Through * Affected

qualcomm smart_audio_400_platform_firmware Through * Affected

qualcomm snapdragon_210_processor_firmware Through * Affected

qualcomm snapdragon_212_mobile_platform_firmware Through * Affected

qualcomm snapdragon_4_gen_1_mobile_platform_firmware Through * 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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