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CVE-2026-97812: microsoft windows_10_21h2 Double Free

CVSS: 7.0v3.1HighAnalyzed
Published 13-10-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-97812 is a high (CVSS 7.0) Double Free vulnerability in microsoft windows_10_21h2. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

Double free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

14-10-202619-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft16 products

1 vendor · 16 products

References

1 links