CVE-2026-42986: Microsoft Graphics Component Elevation of Privilege Vulnerability

highCVSS 7.8CVE-2026-42986

Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

CSIRTS triage

vendor: Microsoft product: Microsoft Graphics Component Privilege escalation

What: An authorized attacker can elevate privileges locally due to a use-after-free vulnerability.
Who is affected: Users of the Microsoft Graphics Component are affected.
Urgency: Remediation is high urgency due to the potential for privilege escalation.
Action: Apply the latest security patches.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Microsoft Graphics Component

Get an email when a new Microsoft Graphics Component advisory drops — max one per day, one-click unsubscribe.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.8
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42986

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Moderate exploitation riskCVE-2026-429862.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 79% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-42986	coverage & exploitation status	NVD · CVE.org

Recent advisories for Microsoft Graphics Component

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

criticalexploitedCVE-2023-21823: Microsoft Windows Graphic Component Privilege Escalation Vulnerabilitycisa-kev · 2023-02-14
criticalexploitedCVE-2013-3906: Microsoft Graphics Component Memory Corruption Vulnerabilitycisa-kev · 2022-02-15