CVE-2026-83708: microsoft windows 10 version 1607 Stack-based Buffer Overflow
CVSS: 7.0v3.1HighAwaiting analysis
Published 13-10-2026Last modified 21-10-2026
Vulnerability summary
CVE-2026-83708 is a high (CVSS 7.0) Stack-based Buffer Overflow vulnerability in microsoft windows 10 version 1607. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.7% of scored vulnerabilities.
CVSS score
7.0/10
010
High · v3.1 (CVE.org)EPSS score
0.25%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 21-10-2026Last modifiedVulnerability information updated.
Description
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
14-10-202621-10-2026
EPSS score0.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft20 products
- windows 10 version 1607≥ 10.0.14393.0, < 10.0.14393.9612
- windows 10 version 1809≥ 10.0.17763.0, < 10.0.17763.9376
- windows 10 version 21h2≥ 10.0.19044.0, < 10.0.19044.7807
- windows 10 version 22h2≥ 10.0.19045.0, < 10.0.19045.7807
- windows 11 version 23h2≥ 10.0.22631.0, < 10.0.22631.7652
1 vendor · 20 products
