high Known exploitedREV. 01

CVE-2023-36036Windows — heap overflow in the cloud files driver

A heap overflow in the Windows cloud files filter driver, the piece that makes online storage appear as ordinary folders, hands a local attacker the machine's highest account (SYSTEM).

YOUR NEXT MOVE

Install the November 2023 Windows update across the endpoint estate. Microsoft publishes no workaround and no detail to narrow the scope with.

Read the risk

THE VITAL STATS
CVSS score
7.8/ 10
CVSS v3.1
EPSS probability
17%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2023-11-14
Added to KEV
2023-11-14
Exploit published
Not recorded
Confidence
high
Kill chain
privilege escalation
MITRE ATT&CK
T1068
Severity
high

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

Attacker needsThe attacker must already be able to run code as a local user.

Behind the card

3 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-09-24scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-09-24scrty-crds-pipeline/0.1high
epssapi.first.org2026-09-24scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-09-24claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2023-36036 · CRDS 0.1 · Issued 2026-09-24