CVE-2026-103560
Microsoft Windows Server 2012: missing authorisation
- Risk score
- 47/100
- CVSS
- 5.5 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Improper authorization in DNS Server allows an authorized attacker to perform tampering locally.
- Affected
- Microsoft Windows Server 2012
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Story map
At a glance
Microsoft Windows Server 2012: Amber, patch this week. Uncaught exception in Windows DNS allows an unauthorized attacker to deny service over a network.
The flaws
- CVE-2026-103560: Missing authorisation (CVSS 5.5 · EPSS 0%)
- CVE-2026-70082: Uncaught exception in Windows DNS allows an unauthorized attacker to deny service over a network. (CVSS 7.5 · EPSS 1%)
- CVE-2026-83635: Out-of-bounds read (CVSS 7.5 · EPSS 1%)
- CVE-2026-88123: Out-of-bounds read (CVSS 6.5 · EPSS 1%)
The fix
Fix: Apply the vendor's security update; see the linked advisory.
Who is exposed: Microsoft Windows Server 2012
Where it stands
- No known exploitation
Connects to
- Same weakness: Missing authorisation (CWE-862). 399 other warnings in 30 days
- Same product: Earlier Microsoft Windows Server 2012 warnings. 6 in the last 90 days
Why it is Yellow
- CVSS 5.5 medium
- On your watchlist: windows server
References
Original description
Improper authorization in DNS Server allows an authorized attacker to perform tampering locally.
Last activity 13 Oct 2026. Patch Forecast updates every hour.