Vulnerability

CVE-2023-36033

High· 7.8KEVCVSS7.8EPSS1%

.rules3/5

Microsoft Windows Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability

Microsoft Windows Desktop Window Manager (DWM) Core Library contains an unspecified vulnerability that allows for privilege escalation.

Threat signal

88/100

Severe

Severity

high

CVSS

7.8

EPSS

Active

KEV

CISA KEV — actively exploited

921d overdue

AffectedMicrosoft — Windows

Added to KEV

2023-11-14

Federal patch due (BOD 22-01)

2023-12-05

Required action (CISA verbatim)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vendor advisory + references

CISA description: “Microsoft Windows Desktop Window Manager (DWM) Core Library contains an unspecified vulnerability that allows for privilege escalation.”

CVSS

v3.1Open in FIRST calculator →

7.8/ 10HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLocalRequires local access — shell, console, or local app.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.91%

probability of exploitation in next 30 days

p76

higher than 76% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2023-36033. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: no
impact: total
mission: support

Lifecycle

2023-11-14Added to CISA KEVransomware: Unknown
2023-11-14Published
2023-12-05Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.