CVE tracker / CVE-2025-49684
CVE-2025-49684
CVE-2025-49684 is the Windows Storage Port Driver Information Disclosure Vulnerability. Microsoft rates it Important, CVSS 5.5. It is not in CISA's Known Exploited Vulnerabilities catalog. Published July 8, 2025.
Risk summary
MediumInformation Disclosure
5.5
CVSS v3 base
0.5%
EPSS: chance of exploitation in 30 days
Medium
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV
Microsoft describes it: “Buffer over-read in Storage Port Driver allows an authorized attacker to disclose information locally.”
How to fix it
Microsoft lists 24 affected products and the update that fixes each:
- KB5062552 · fixed build 10.0.22621.5624, 10.0.22631.5624
Windows 11 Version 22H2 for x64-based Systems, Windows 11 Version 23H2 for x64-based Systems - KB5062553 · fixed build 10.0.26100.4652
Windows Server 2025, Windows 11 Version 24H2 for x64-based Systems, Windows Server 2025 (Server Core installation) - KB5062554 · fixed build 10.0.19044.6093, 10.0.19045.6093
Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for x64-based Systems - KB5062557 · fixed build 10.0.17763.7558
Windows Server 2019 (Server Core installation), Windows Server 2019, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems - KB5062560 · fixed build 10.0.14393.8246
Windows Server 2016 (Server Core installation), Windows Server 2016, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems - KB5062561 · fixed build 10.0.10240.21073
Windows 10 for x64-based Systems, Windows 10 for 32-bit Systems - KB5062570 · fixed build 10.0.25398.1732
Windows Server 2022, 23H2 Edition (Server Core installation) - KB5062572 · fixed build 10.0.20348.3932
Windows Server 2022 (Server Core installation), Windows Server 2022 - KB5062597 · fixed build 6.3.9600.22676
Windows Server 2012 R2 (Server Core installation), Windows Server 2012 R2
What Microsoft changed
- July 8, 2025: Information published.
Details
- Weakness
- CWE-126: Buffer Over-read
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- July 8, 2025
- Last revised
- July 8, 2025
Get told when this changes
Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.
References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.