chore: update rolling 12-month MSRC CVE data [2026-06-12 21:12 UTC]

Author: github-actions[bot]

data/msrc_cves.json

@@ -7,7 +7,7 @@
     "low": 188,
     "exploited": 19,
     "patched": 1218,
-    "updated_at": "2026-06-12 19:02 UTC",
+    "updated_at": "2026-06-12 21:12 UTC",
     "month": "Past 12 Months"
   },
   "cves": [