CVE-2023-5760

highpriority · track · 28EPSS 0.002 · 9 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (9th) EPSS

CVSS 7 · high

Is it mine?

2 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-28

A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–8.2

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1 · impact 5.9

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · security@nortonlifelock.comexploitability 1.5 · impact 6

v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-367USprimary

affected products (2)

Products and version ranges known to be affected.

Avast/AVG Avast/Avg Antivirus≤ 23.8enisa_euvdEU
avast avg antivirus= 23.8nvdUScpe:2.3:a:avast:avg_antivirus:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2834Norton Antivirus: Schwachstelle ermöglicht die Erweiterung von PrivilegienDeutsch2023-11-06csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Norton Antivirus ausnutzen, um Administratorrechte zu erlangen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd cert_bund NVD CVE.org MITRE

published 2023-11-08modified 2026-06-17

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+1057 more

references (6)

External citations — patches, advisories, analysis.

scry

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